grand am 2.4L ignition coil removal

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  #1  
Old 02-09-07, 07:17 PM
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grand am 2.4L ignition coil removal

have a rough idle and #2 cylinder misfire code...replaced spark plugs and boots(1997 grand am 2.4L)....no change on idle or code....couple of questions...1)can a coil malfunction cause only 1 cylinder to misfire(2 coils 4 cylinders)...2)how the heck do the coils come out of the housing
 
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Old 02-09-07, 07:21 PM
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Yes, a coil pack can cause 1 cylinder to misfire. You have to replace the whole coil pack which is usually not cheap. You may find one in a junk yard for cheaper.

Try replacing that first. It can be a slew of other things as well. Some of them below:

Too much/too little fuel being injected

worn valve guides

exhaust valves sticking open


Autozone.com has a ok repair section for vehicles. You can try them for repair procedures if you car is older (2000 or older usually)
 
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Old 02-09-07, 07:52 PM
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would probably try a new housing first while it could be other things a coil pack fires 2 cylinders and you will usually lose 2 cylinders when one fails, not to mention the housing is probably the most common failing ignition component on the quad 4 engine.
 
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