When a spark plug becomes fouled for any reason, the spark plug will fail to fire and ignite the air/fuel mixture. RE: keep on breaking spark plugs why? [quote=”vtecboy” post=71612]hello, I drive a 2000 mitsubishi eclipse with the V6 engine… The spark plug wire on cylinder #6 keeps pooping out from the spark plug, the wire fits tight in the spark plug but it keeps popping off every 5 minutes of driving. First off the chev 2.2L should only have the delco $6 a plug plugs or NKG plugs. Any ideas? They just stop sparking sometime even if the plug is brand new, When I pull them out they are a good brown color. Will be checking plugs again soon. This causes a misfire, a loss of power and fuel economy, and an increase in tailpipe hydrocarbon (HC) emissions. 2ndly the nature of 1 coil pack firing 2 cyl at once means one fires on the compression stroke and other fires on the exhaust stroke to burn leftover gas mix to help emmisions. I had the same thing just happen to my car. This in turn can lead to spark plug … Plug was passenger side rear plug. With just a slight amount of difference, the spark plug … Overtime the seal between the valve cover and that spark plug tube can fail, causing oil to leak in and fill up around the spark plug and ignition coil. Here is why!The leading cause of premature failure of an ignition coil is due to a worn or bad spark plug ignition cable.A bad spark plug ignition cable will have a much higher than normal resistance. I drive a 2007 Subaru Impreza 2.5i. I used autolite's before that, and they only lasted 2 1/2 weeks. Was told due to low octane gas, this can happen and it happens often. Removed #1 and #3 plug, both ends were melted, removed as much carbon build up and cleaned out plug hole. NOTHING else or you will have problems – over on the s10forum this is well documented. According to AA1Car.com, this occurs when the spark plug fails to fire, or fouls out… Did you just replace your burned out ignition coil to have your new one burn out too? No power and wants to die. Spark plug fouling is a common cause of engine misfire. Spark plugs also can burn out, especially if the spark igniters are separate for each plug. 02 Buick Lesabre Naturally Aspirated option 2800 motor in it, Cylinder 3's plug keeps bending at the tip (Basically it keeps warping until the anode & cathode are making contact.) MikeHalloran (Mechanical) 17 Dec 08 20:18 - posted in Vintage Ski Doo's: Well last year I put this question out there and I didn't get an answer to the problem, Here it is my old elite blow the spark plug when ever it idles, Its totally random left or right. Now it is running the same as before. Word of advise, having done a lot of these for people who have stripped out plug threads, never remove or install plugs on warm, much less hot engine. When a vehicle engine is reluctant to start, it often means that the spark plugs need changing. A common malfunction is a wet spark plug. Has E3 plugs on it now, not even a month old. Scary the first time, yeah, but if you follow directions, they are actually an improvement over threaded aluminum heads. On many COP-style engines the spark plug and ignition coil are mounted into a tube that is a part of the valve cover. Then idleing she began to bog out. The plug comes out displaying a color that looks good to me so I dont think it's burning lean iether. Spark plugs burning out. Like many automotive components, spark plugs don't last forever. I have a 97 Ford Explorer that has burned the spark plug electrode off which caused rough running. Cylinder #1 was running to lean for a little but. Once you have the plug in your hand, check out its various parts to look for tell-tale signs of trouble. 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