4- listen closely. If you do not hear any noises at all when you try to start the tractor now, the fuse may have blown. Installed new plugs on 2004 Pilot LX. After the ignition has been on for some time feel (with your fingers) each individual module section and see which one is the hottest (careful, one may be very hot). Changing your timing belt is not a small task, and it will not be identical to your car (unless you drive a 4cyl 626, mx6 or ford probe with an FS series engine). The car makes a clicking noise but won’t start. Please Help! It took about a week before I was able to start trouble shooting the popping. If I wait awhile and try again, voila, the car will start with no problems. BMW Crankcase Breather Valve Replacement brakes, spark plugs, I have a e90 and after changing he starter i hear a noise coming from around the lower part of. After ~20 miles of driving i've. The questions with stars have been answered (comments) and rated. Additionally, inspect the power connections to the starter relay. hey guys, I recently put new brakes on my truck, and noticed a loud rubbing or scraping sound while turning, and while just driving straight for the first time of the ride. i have 173,000 miles,2004 5. Since I had new brake pads put on front of car, rotors been getting very hot. Stock filter Cold Air Intake air filter system First of all replacing stock filters wont make a difference. We're not just talking oil changes; provided you can hold a wrench. When I accelerate it seams to misfire above two thousand RPMs. They are wear and tear items. It was actually the 5th spark plug in a V6 engine, which would have put it on the side of the engine I was hearing noise from. It rattles and it's very sluggish, as if something was missing. The plugs are the exact same as the ones I pulled out. I can hear the misfires. Core refunds are sent by check after we receive your core returned within 30 days. Just put it all back together tonight and now I'm hearing a rattle or a light knocking noise coming from the engine as soon as it is started. This is often caused by the alternator not keeping the battery adequately charged. The spark plug firing end condition should be read after the engine has been warmed up and the vehicle has been driven at higher speeds. Popular pad brands including Brembo, project-mu; and Endless, and are all available online for easy ordering. Yamaha provides easy-to-understand information about how, and when, to perform proper maintenance. Exchange the spark plug from the problem cylinder with one from another cylinder. Hissing Sound From Engine after Spark Plug Change?? and you replaced all of the spark plugs you may have an intake leak somwhere between your MAF and you engine. Plugs: NGK PLFR5A-11 £45 from eBay, or £70 from Renault. Were the spark plug tube gaskets replaced? It's a common issue on some models over time. Lost speed after change my lower unit; If this is your first visit, be sure to check out the FAQ by clicking the link above. Before you do any work on a switch, make sure power is turned off at the electrical panel. Engine noise after replacing spark plugs. I just raplace my NGK/BMW spark plugs with new BOSCH SUPER plugs on my 95' 540i. 7 hemi engine. You normally won't hear it as the engine spinning drowns that sound out. Turns out my spark plugs were way over due for a changing. While the most likely culprit is a dead battery, there could be other reasons as well. Did you hear a growling sound before the trouble started? That sometimes occurs before an alternator fails. The main causes of this problem are too lean carb jetting, too hot spark plug range, too far advanced ignition timing, too much compression for the fuel's octane, or a general overheating problem. Usually, it happens soon after a fill-up at a gas station. If its popping like a gunshot, then is more likely to be rich, and having the extra fuel is exloding in the hot exhaust. Drove back to the store, exchanged plug & placed the new one while in the parking lot. This turns into a large, flapping noisemaker as it rotates through the pulleys and slaps against mounts, water pumps, alternators or whatever is in the way. Lost speed after change my lower unit; If this is your first visit, be sure to check out the FAQ by clicking the link above. I Wiped out most the oil and finished replacing the plugs. If you suddenly hear a loud pop or bang in the engine area, pull over to the side of the road and check it out. Stock filter Cold Air Intake air filter system First of all replacing stock filters wont make a difference. Again, it is a good idea to replace these parts. It features built-in support for group chat, telephony integration, and strong security. Could that be it? When i was putting one in i thought i heard something break but when i checked it wasn't but my dumba$$ didn't check if it was cracked. The purpose of this page is to become an index of all posts about the phone. For example HO2S11 would be the oxygen sensor on bank 1 and first in line (pre catalytic converter) and HO2S12 would be on bank 1, but second in line (the monitor) An oxygen sensor creates a voltage between 0 and 1 volt by means of a chemical reaction between the sensor element and the oxygen in the exhaust passing across that element. If this engine was run any longer, it probably would,ve developed a hot spot and hole near the exhaust side and failed. How often to change your spark plugs. After driving it around town today and tonight, I must say that the Z's ready to kill once again! I hope that this helps everyone who has been having similar problems. When I was doing this, I noticed that one of my spark plug wires had popped off of the spark plug. well after changing them and after installing a new lamp as well we turned on the projector, then we projected a movie and the problem was that only half of the image is projected in the cinema screen. If you’ve got multiple signs of a blown head gasket, you can run the risk of overheating your engine due to a low coolant level as mentioned above. I am not saying that this cracking of the porcelain applies to your spark plugs; but, it wouldn't hurt to check your spark plug to spark plug socket depth. The average auto mechanic charges between $100 to $200 per hour to perform a replacement job of this magnitude. Changing Spark Plugs; Alternator Whine/Engine Noise in speakers. After that, Gas Service Representatives will visit customer homes and businesses to restore service and relight pilot lights. 18 Answers. A worn serpentine belt tensioner can make several different noises. The clicking noise that you are hearing is the spark arcing to the nearest ground point. This is usually accompanied by a loud bang and a hammering noise that beats in rhythm with the engine. 045in and so far it runs great. I just replaced the spark plugs on a 2002 Merc Cougar, just a 4cly 2. Before you do any work on a switch, make sure power is turned off at the electrical panel. So far so good. To troubleshoot ignition problems for burners on a contemporary gas stove, it's important to understand the basics. High power laser equipment is connected with UPS power supply (but earth may be same line). Misfires after changing all spark plugs and coil packs 09-05-2013 11:29 PM #20. Rough Running engine after changing Spark Plugs - WRONG Plugs Installed - Duration: 2:22. Spark Plug Noise through radio - I'm one of the few out there who still like listening to AM radio, problem being, I'm getting Spark Plug Noise when the engine is on. How to change the Spark Plugs on a Laguna II 3. From the smoothest, fastest photo editing and graphic design software to the most powerful publishing software, Affinity apps are pushing the boundaries of what’s possible. I pulled the rubber cover and found it to be dry with no. I was looking the replace the motor when I decided to research more. Interestingly enough, for the Ford Triton motors produced after 2004, owners and service technicians reported exactly the opposite problem with blown spark plugs. At first it reminded me of CVs starting to make sound, since it was first associated with turning a corner, but it also happens driving straight and seems to make the sound in step/relation to engine RPM at those speeds. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere dealer for service. 1965-1969 Chevrolet Corvair Troubleshooting The second generation of Corvair with an improved suspension and new body style was released in 1965. When I went to replace it the spark plug hole threads were stripped. Then we are using spark plug to generate flame. Get shopping advice from experts, friends and the community! My Craftsman push mower, model 917. I did change the spark plugs at the time of the last oil change so may try to hear which cylinder it's under. Ford F-150 in Kansas, United States Jul 2011 - Oct 2012: Apr 2012 4000 mi: Rough idle, lost 5mpg, shudder @ about 55mph in high gear on a slight uphill grade or into strong headwind, and truck will fall flat on its face - complete misfire after cruising low rpm and then going full throttle like to pass someone. Air in the brake lines is one of the most common causes of spongy brakes. i also experience the exact problem that you did. Learn what to do if you hear a clicking noise in your car after an oil change with help. Replace the spark plugs, if you can clean the fuel injectors you should (Seafoam is AMAZING) and if you are. While some of these mistakes can be made by the mechanics at a garage as well, you still minimize the risk by having a trained professional it. Wayne Thomas Anderson: Yea, a stabilizer is really not necessary unless you are off road more than your on the road,my ram came… wayoflife: In other words, your steering stablizer was just masking a bigger problem you have and it revealed itself after the…. I had the chance to roll my car into a bay during class to change spark plugs, do compression test, and cylinder leak down test on my engine. While the leak was present, it started knocking between 1800-2800 rpm only after it shifted to second and above. 161,487 MILES. Question: Hi i have a 2003 e500 mercedes after changing plugs it started fine 30min later shut down, started it again then shut down again and never started again. According to multiple Mazda owner's manuals, the recommended interval to change spark plugs on a Mazda is every 75,000 miles. Spark plug or coil problems can also make your car lose power and die. Licensed Ford, Jeep, GM & Hoonigan gauges. (Page 1 of 2). I read online that the noise could be from dirty fuel injectors, that the spark plugs are loose or making a bad connection. They are Champion plugs. The Chevy Cruze is a compact car that has been manufactured since 2008. The Ford Triton V10 engine is a 10-cylinder engine with five cylinders in each bank. Listen for any change in the clunking noise. I Own a 2005 Dodge Durango 4. Solution: Models fitted with the MTX75 (Galaxy VXT75) are known to have problems with the 3rd gear synchroniser ring. The battery, terminals, starter, alternator all new. I’ve cleaned the mass airflow sensor I’ve replaced the distributor cap all of the wires to the spark plugs I’ve replaced with the oxygen sensors both oxygen sensors I replace the crankshaft sensor I checked the vacuum lines I’ve replace the fuel pump I’ve replace the evaporative control system I’ve cleaned the fuel injectors I’ve replace the fuel cap. This sound usually means a dead battery. I ordered a new one online and it arrived today. Repairs are presented in an easy-learn format. Change them. Car Loses Power While Driving: The Reasons. The engine is made of an iron block, whereas the spark plugs are made of aluminum and steel threads. I tried to make sure I didn't get too much debris in the engine, but I'm hoping that's only it. In most cases it's a simple job as long as you have the right tools. My car has an automatic transmission. Spark plug porcelain was being cracked by the standard depth spark plug socket, resulting in misfire. CHT SENSOR CONNECTOR RIPPED OFF AT BOTH WIRES. Ordered a set of Bosch XR7LDC plugs online from a reputable BMW parts dealer. If any spark plugs other than what is recommended by the manufacturer is used, it can cause the knocking sound you hear. After two and a half decades, the acclaimed band ventures into a different sound on its ninth album, “The Center Won’t Hold” — and moves onward without its longtime drummer. NOTE: Use dielectric grease on each of the spark plug boots before installing the coil. Put a pen. • A worn or rusted tensioner spring makes a creaking rusty sound as you rotate it to replace a belt. MY CAR IS RUNNING ROUGH FROM TIME TO TIME. I'm thinking i might have cracked one of the plugs. Wait, we can still change the spark plugs! Most cars still have a spark plug or 8 in there someplace. The idling is rough but even: Have a technician check the compression in each cylinder. A faulty spark plug OR wire can be the cause of engine knocking, and is bad for your engine overall. They are Champion plugs. Five: Replace Spark Plugs and Wires. Over the last month I have been hard at work on my 1998 Expedition. 7L spark plugs I just did my spark plugs in my 2013 r/t. Most spark plugs in cars from before 1996 should be replaced every 25,000-30,000 miles. If you go to start the car and you hear clicking noise, that means your battery is dead. Recently I lost power on 4 plugs on a breaker that has a total of 9 plugs on it running the length of the house. I just changed my spark plugs but did not do the wires just yet. I torqued my plugs with a torque wrench, but I'm considering taking them out to inspect my work. Spark plugs need to be changed between 30,000-100,000 miles depending on the kind of spark plugs in your car. My Ford F-150 has had the loud knocking noise and the dealer it was purchased from said that it was nothing to be concerned about,but was cutoamay for that engine. Get a jump start, or charge the bettery. Damage estimates are from $150. changing the plugs and. first I used a mix between magnatec and castrol 5w-30w synt and drove around with that for a month then, did the oil change again and this time i used the whole 6 litres of castrol 5w-30w. I’ve cleaned the mass airflow sensor I’ve replaced the distributor cap all of the wires to the spark plugs I’ve replaced with the oxygen sensors both oxygen sensors I replace the crankshaft sensor I checked the vacuum lines I’ve replace the fuel pump I’ve replace the evaporative control system I’ve cleaned the fuel injectors I’ve replace the fuel cap. Their work is to transmit the electrical signal from the ignition coil to the combustion chamber. If a plug wire is left disconnected it has the potential to collect moisture. Step 1 - There are several combinations of misfire conditions, steady or random, at idle or under power, which may or may not be detected by the computer and trigger a check engine or service engine soon light, read trouble codes to help pinpoint the cylinder(s) in question and follow the repair guide below. Offer valid 11. Lost speed after change my lower unit; If this is your first visit, be sure to check out the FAQ by clicking the link above. Breaking a spark plug off in the cylinder head means you've got to drill it out or make another trip to the store for a special tool to remove the broken part. The ignition system in a car can produce a clicking noise if it has lost its efficiency. Spark plug replacement interval on all 2011 Outback, Legacy, Forester, Impreza 4 cylinder non-turbo, turbo, and 6cylinder, the spark plug replacement interval is 60,000 miles. Tried starter fluid straight into carb and not even a pop. David Marquard June 9, 2018. MY CAR IS RUNNING ROUGH FROM TIME TO TIME. Causes include worn, fouled or damaged spark plugs, bad plug wires or even a cracked distributor cap. Checked gas and that is ok. If one or more plugs have failed, the controller will not function correctly. 04 (though I did not check each one individually). Engine Misfires. The battery, terminals, starter, alternator all new. Average repair cost is $250 at 151,950 miles. I'm Jay, an auto tech student (currently in my engines class). The engine has no choice except to stall. How they work, how to replace them. I have a ticking after changing my plugs and wires as well. Find helpful customer reviews and review ratings for NGK 7090 BKR5EGP G-Power Spark Plug (Pack of 1) at Amazon. See your Ford or Lincoln Dealer for complete details and qualifications. Ford Cylinder Heads and Valvetrain Interchange: Small-Block Few things determine an engine’s personality more than cylinder heads, camshafts, and rocker arms. If the noise disappears or lessens substantially when a wire has been removed, that cylinder will be the likely suspect for a bad rod bearing. Harley Riders USA Forums » Harley Davidson Wrenching Info, Tech Tips, and DIY Forums » Electrical - Ignition, ECM, Tuner, EFI » TSSM Security Module Resetting Procedure. The Nissan X-Trail was launched in 2001 to rival such SUVs as the Honda CR-V. Engine noise after replacing spark plugs. 3 L 4-cylinder, FWD with a factory turbo charged engine and 155 000 miles on it. Spark Plug Noise through radio - I'm one of the few out there who still like listening to AM radio, problem being, I'm getting Spark Plug Noise when the engine is on. 045in and so far it runs great. We are open from 8-5, Monday through Friday. Charged battery just to make sure that was ok. Changing spark plugs could be a good idea when… 1. After two and a half decades, the acclaimed band ventures into a different sound on its ninth album, “The Center Won’t Hold” — and moves onward without its longtime drummer. I was wondering if this may be common, until finish on new pads wear down a little or if problem from them not installing pads or calipers back on correctly. 3 bottom screw to see if in carb there is fuel. Average repair cost is $660 at 159,750 miles. Wait, we can still change the spark plugs! Most cars still have a spark plug or 8 in there someplace. How to Unplug Ears 1. Worn or corroded spark plugs. To check for a spark, remove the spark plug from the cylinder, hold the tip of the plug against the cylinder head and crank the engine. Electrical - Ignition, ECM, Tuner, EFI Discussion on these continual problem areas and how to resolve them. I did change the spark plugs at the time of the last oil change so may try to hear which cylinder it's under. My husband just replaced the thermostat and spark plugs in the car and now it's making a squealing and popping noise. Opened the carb no. While the leak was present, it started knocking between 1800-2800 rpm only after it shifted to second and above. The spark plug seals the combustion chamber and provides a gab for a spark to jump across and initiates combustion in your engine. [Archive] Page 12 Peugeot 207 is a sub-compact unveiled in 2006. As the tensioner spring rusts, it makes a creaking sound. a full tune up) and you still have the issue, have a transmission shop drive it with you, you might have a solenoid problem in the transmission called a lock up solenoid. Free video on how to change the oil and oil filter in a 2014 BMW X1 xDrive28i 2. The 4th failed a continuity test. Change oil and filter; do lube job. The leads from the ignition coil to the spark plugs are quite robust and my moving the coils several inches does not seem to have effected them but I will check. If that's okay, check whether the electrical spark is getting to your spark plugs. SPARK PLUG & IGNITION COIL PACK BOTH DESTROYED. Afterfire/backfire after spark plug change? Its an '04 636, used, had roughly 11,300 miles. Although other cars I've had can go more than 100,000 miles before changing the plugs. This can cause your engine to misfire and your check engine light to pop on. Tried to swap HT leads between cyl 2 and 3. When you pop the cork on a champagne bottle, the physics of the cork's departure probably isn't the first thing on your mind — it's drinkin' time, after all! But scientists tend to find. We are New England's leading four-star authorized Bosch Car Service facility. We would most probably have realized if at midnight the sun would be at the highest point on the sky. the thumping sound seems to be coming from the back. I have replaced my air filter, cleaned my throttle body, cleaned my MAF with MAF cleaner, and have changed my spark plugs. Spark plugs can. NOTE: Use dielectric grease on each of the spark plug boots before installing the coil. 045in and so far it runs great. Solution: Models fitted with the MTX75 (Galaxy VXT75) are known to have problems with the 3rd gear synchroniser ring. To troubleshoot ignition problems for burners on a contemporary gas stove, it's important to understand the basics. An engine misfire is a sensation that you should instantly recognize. 4 worked great until I changed back to 5. I took the time to day to do a few things like change the air filter, cabin filter, oil/filter andthe spark plugs. 4L Ford V8) (at: autotecnico-online. If you see any oil pooling in the spark plug tubes, clean it out with a rag wrapped around a screwdriver. I have a ticking after changing my plugs and wires as well. A methodical approach on how to start a motorcycle when you push the button and your motorcycle doesn't start. Your source for Ariens belts, blades, cables, and engine parts. I just replaced the spark plugs on a 2002 Merc Cougar, just a 4cly 2. Make sure mice or bugs haven't gotten in there and built a nest, plugging up everything. Used NGK Double Platinum Laser. 3 of the 4 old wires were within spec for resistance (noload). The cylinder that doesn't make a difference in. Did you hear a growling sound before the trouble started? That sometimes occurs before an alternator fails. It wasn't clicking before i changed the plugs and wires. Replace them all in your vehicle. [Archive] Page 12 Peugeot 207 is a sub-compact unveiled in 2006. Small Engine Troubleshooting. Spark Plug Type Heater Principle In a perfect operational Spark Plug type heater: Plug the unit in. C-Class (W203) - List of faults that occur after disconnecting battery - I did a search for a member to run down some answers to specific faults that occurred when a repair station disconnected his battery to work on his car. Set #1 to TDC. bmw x5 spark plug spark plug change now service engine soon light inspection ii part i - changing spark plugs diy inside 05 x5 4. Ford Mondeo Common Problems Solutions Hints and Tips. Learn why it's important to keep this part of your car in great working order and when to change spark plugs by watching for these bad spark plug symptoms. The combustion chamber, this is the area where the fuel, air, spark, and compression take place, the gasket needs to be able to withstand extreme temperatures and pressure in this area, so this is the most common place to have a head gasket failure, or a blown head gasket. Click, click, click, and the burner lights. The centre contact on these plugs should be round but over time after 12,000 miles or more the contact will become oval which is normally when you replace them. I like being conservative with the hours. Owners should inspect/clean/replace spark plugs, set correct gap distance, drain and replace fuel and check/tighten all connections, respectively. clues that it's time to change a spark plug. I hope I'm right. I still have the popping sound when the car is on, which is misfires. The good news is spark plugs do not cost that much money. (Page 1 of 2). What does and engine misfire sound like? need help. It was actually the 5th spark plug in a V6 engine, which would have put it on the side of the engine I was hearing noise from. Why do new brake pads make grinding noises? There are a few reasons for brake pads grinding after replacing them with new pads: The pads are new – When your brake pads are new they need a little bit of wearing in so they can function normally. 5, 110,000 miles. Drove back to the store, exchanged plug & placed the new one while in the parking lot. The only difference is the misfire happened about 2 days after the spark plugs were changed. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere dealer for service. Be on the lookout for smoke or fire, two things you should never see under the hood. Please enable it to continue. Repairs are presented in an easy-learn format. Helpful information and resources on Ford tractors from SSB Tractor, a leading provider of tractor parts, manuals, implements and toys. I have an aftermarket stereo that I installed (a Pioneer if it matters) and since I picked up the car there has been a moderately loud popping noise coming through the speakers when I have the. In some rare instances, a sputter issue will be accompanied by a Check Engine Light that illuminates on the dashboard. hey guys, I recently put new brakes on my truck, and noticed a loud rubbing or scraping sound while turning, and while just driving straight for the first time of the ride. Get out as much gunk as you can and then remove and, if necessary, replace the spark plugs with new ones before proceeding. The hottest one is the one that is shorted out. This sound usually means a dead battery. Spark plugs can. 4 then to 5. After modifying the idle and off idle systems to provide more fuel and increasing the main jets by two sizes, we had the correct air/fuel mixture; after a test drive, the customer said not only had the overheating problem gone away but the car had never run so good. Restrictions apply. Toyota and Lexus rough idle after battery replacement A common concern DIY Toyota and Lexus owners call CARspec for is a rough idle, starting and dying, or a hard start just after replacing or disconnecting the 12 volt starting battery. 4 engines are commonly known for intake gasket leaks and the 3. To check for a spark, remove the spark plug from the cylinder, hold the tip of the plug against the cylinder head and crank the engine. I was wondering if this may be common, until finish on new pads wear down a little or if problem from them not installing pads or calipers back on correctly. The parts in this section are some of our top sellers, so if you're looking for a part that's likely to be sought after, this might be the first place to check for it. They are wear and tear items. My car is a 2007 Mazda CX-7, 2. when i slowly reved the. Took the spark plug off and look that it gets spark, spark ok. first I used a mix between magnatec and castrol 5w-30w synt and drove around with that for a month then, did the oil change again and this time i used the whole 6 litres of castrol 5w-30w. Had spark plugs and wires (& air filter) replaced for routine maintenance. What has not worked: Full spark plug replacement, and coil replacement, multiple trips to dealerships. Previously I had a 04 R32 so I was pretty familiar with changing the plugs in the VR but hadn't done them on a 3. When does the timing chain need to be replaced? We all know that a timing belt in a car engine needs to be replaced at recommended service intervals, but what about the timing chain? What is the difference between a timing belt and a chain?. Mine fired right up. I just read the manual, stated the turbo gdi engine need to replace spark plug every 3 years. However, excess buildup of wax can cause pain and discomfort and this excess needs to be removed. As reminder, PG&E employees always carry their identification and are always willing to show it to you. Almost sounds like the same noise electricity makes. When the plugs are failing. To learn more, see reviews. The engine starts but dies. After the install the radio displays but does not have any sound. Used NGK Double Platinum Laser. Wipe top of each spark plug before refitting lead. Headphones. It's me again and hope to be able to help someone. To change the spark plugs in a Chevy Celebrity: 1. had them replace spark plugs, fuel filter and do a fuel system cleaner, as i had no idea what the problem was. Check out a variety of auto parts, supplies, and accessories for cars, trucks, and SUVs, as well as boats, trailers, ATVs, and lawn and garden equipment. The engine will appear to stumble for a brief period of time and then regain its pace. The spark plugs may become dislodged from the cylinder heads. Come and test different modular and synthesizer gear, experience live sessions, bring your gear and exchange ideas in this yearly event. the spark was not created in the best place, meaning you were not burning all your fuel. In some rare instances, a sputter issue will be accompanied by a Check Engine Light that illuminates on the dashboard. I heard that your supposed to reset the ecu/pcm when you do a plugs on these. , move cylinder 3 plug to say cylinder 2 and if the misfire is now P0302 then the plugs are at fault. Spark plugs need to be replaced after 100000 miles, so this is one of the things I did to my car as they were full of oil. (obviously only if you were the one to replace it or know what you are doing) open the iPhone, find the. As soon as I started the engine, I began to hear a sound near the rear passenger of the engine. Replaced the spark plugs, spark plug boots, and serviced the ignition (standard tune-up), but has not. Wipe with dry cloth or paper towel. This turns into a large, flapping noisemaker as it rotates through the pulleys and slaps against mounts, water pumps, alternators or whatever is in the way. They were all factory gapped at. Step 1 - Check the battery. GM recalled 1. This electrical pulse is what causes the spark plug to spark and ignite the fuel in its cylinder. Now, they had begun experiencing problems during the replacement of the spark plugs. Five: Replace Spark Plugs and Wires. See your Ford or Lincoln Dealer for complete details and qualifications. When I started it, the engine was shaking badly and it sounded like something was knocking around inside. I tried to make sure I didn't get too much debris in the engine, but I'm hoping that's only it. Under 'Specs', look at 'Reach'. I get it mainly while accelerating hard in 4th gear when the engine is warm. Rob and Dave's aircooled Volkswagen pages. Electrical - Ignition, ECM, Tuner, EFI Discussion on these continual problem areas and how to resolve them. Popping or backfiring sounds indicate that the fuel-to-air ratio is wrong. 3 How Often Do I Need to Change a Spark Plug in a Stihl Chainsaw? If you don't see a spark on the tester, there may be a problem with the. If a belt is worn or frayed, often a piece will peel away but remain attached to the belt.