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97 Cavalier 2.4L cylinder misfire??
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polkbriand
New User
Jan 30, 2010, 10:34 AM
Post #1 of 8
(16135 views)
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97 Cavalier 2.4L cylinder misfire??
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1997
Chevy Cavalier LS
2.4L with 164,000 miles
While driving home yesterday my car all of a sudden kicked and started to react like a cylinder misfire. I pulled over and checked to see if there were any leaks and there were none. The exhaust did smell like gunpowder though. I have changed all of the spark plugs and checked all the fluids. What could be doing this? Please give me a hand, I am 21 and trying to make this car last 4 more months.
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steve01832
Veteran
Jan 30, 2010, 5:45 PM
Post #2 of 8
(16114 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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You should start by checking for spark at all cylinders. Sounds like you may have a bad coil or module. Cylinders 1 and 4 share one coil, cylinders 2 and 3 share the second coil. If you find a pair of cylinders dead, swap the 2 coils but put the ignition wires back to original locations. Rerun the spark test. If the same 2 cylinders are dead you need to replace the ignition module. If now, the other 2 cylinders are dead, replace the coil.
Steve
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 30, 2010, 7:16 PM
Post #3 of 8
(16112 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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The one very most common cause of misfire in this engine is the coil housing. The white plastic housing where the coils sit acts as a distributor cap on that engine and they cause problems like this all the time.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Jan 30, 2010, 7:17 PM)
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polkbriand
New User
Jan 31, 2010, 7:06 AM
Post #4 of 8
(16099 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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I checked the housing and it is cracked on the side, but the contacts at still good. I had them run a diagnostics test on the coils at Autozone and they are fine. I also did a scan on the car and it says cylinder 1 is misfiring. that is all. I have bought new sparks for all of the cylinders, and cant think of what it can be. any other suggestions?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 31, 2010, 7:39 AM
Post #5 of 8
(16097 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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Just replace the housing.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sidom
Veteran
/ Moderator
Jan 31, 2010, 10:50 AM
Post #6 of 8
(16090 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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HT pretty much nailed for you on his 1st post..... Usually you don't even get a crack to "see" on those...
The problem lies inside the housing where the crossfiring occurs. If you more conclusive evidence (which isn't a bad thing) before you replace it then you are going to need a scope & some test plug wires.....
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 18, 2012, 12:07 PM
Post #8 of 8
(13168 views)
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Re: 97 Cavalier 2.4L cylinder misfire??
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You need to start a question of your own.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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