02-09-2008, 10:27 AM
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#1
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GX Member
Join Date: Jan 2008
Location: Belgium
Posts: 12
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2.4 Ignition misfire
The engine is misfiering but only at idle. I took the cover of and checked sparkplugs. They where OK. I did notice that the plastic where the sparkplus stubs come out is cracked. I mean a big crack.
Should I replace that ? Where could I buy one online if needed
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02-09-2008, 10:46 AM
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#2
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GX Member
Join Date: Nov 2003
Posts: 123
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I had a similar problem, after ripping the entire ignition system to fuel injectors out, it only ended up being one of the spark plugs.
If it's been awhile, you should get new spark plugs.
As to the plastic... no idea if it should be replaced.. I say probably!
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02-09-2008, 11:34 AM
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#3
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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i would say replce the whole coil pack including the plastic housing
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02-09-2008, 01:34 PM
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#4
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GX Member
Join Date: Jan 2008
Location: Belgium
Posts: 12
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any good online source where I could order one ?
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02-09-2008, 08:17 PM
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#5
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GLS member
Join Date: Mar 2007
Location: Tx
Posts: 1,295
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na before you spend lots of money just replace the white plastic coil pack housing and you should be good to go. Just go to your local autozone. But replaced your spark plugs too
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02-10-2008, 03:53 PM
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#6
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GL Member
Join Date: Jan 2007
Location: las vegas
Posts: 578
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if you want the ultimate end to the misfire.
convert to MSD coils and plug wires. It'll cost you about $240 all together, but you'll never have a misfire from a coil related source for a long long long long long long time.
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10-27-2008, 02:51 AM
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#7
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GX Member
Join Date: Sep 2008
Location: southwest GA
Posts: 4
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Quote:
Originally Posted by DOHC_tuner
na before you spend lots of money just replace the white plastic coil pack housing and you should be good to go. Just go to your local autozone. But replaced your spark plugs too
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I'm having the same stubbling problem at idle too......it started doing it before we went to a car show so I changed the plugs (they were old) and it didnt go away. I only does it at idle, and it isn't constant either....its like: pop pop.............pop................pop pop pop...............pop..........................pop pop. Its not a constant misfire and it hasn't triped the SES light either.
Do u think its the ignition cover?
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10-27-2008, 03:48 AM
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#8
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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I don't think they have AutoZone in Belgium.
There are web sites but shop around and see which ones offer international shipping.
www.rockauto.com
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10-27-2008, 08:20 AM
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#9
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Let's Play Army!
Join Date: Nov 2003
Location: Lockport, NY
Posts: 8,475
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replace the coilpack ASAP. if the white casing is cracked, that is why you're getting a misfire. definitely replace it before you start getting fuel dumped directly into the exhaust....which will clog the cat.
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RIP to my Alero @ 112000 miles. COD: thrown rod. TOD: 430pm, Dec19, 2011.
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10-27-2008, 10:51 AM
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#10
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I drive a JEEP!
Join Date: Nov 2005
Location: Salisbury, Maryland
Posts: 6,388
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if the spark plug boots are cracked couldn't that cause arcing which would in turn cause it to misfire as well....just throwing a thought out there?
lot cheaper to replace the boots then everything.
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10-28-2008, 02:18 AM
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#11
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GL Member
Join Date: Mar 2006
Location: PAX AMERICANA
Posts: 312
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Quote:
Originally Posted by spyhunter
if you want the ultimate end to the misfire.
convert to MSD coils and plug wires. It'll cost you about $240 all together, but you'll never have a misfire from a coil related source for a long long long long long long time.
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I've heard of this being done but have never seen it. Any insight, how to, etc. spy?
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10-31-2008, 03:28 PM
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#12
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GX Member
Join Date: Dec 2007
Location: minnesota
Posts: 178
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check your fuel pressure regulator, it missfires like that at idle when they go bad cause gas is going thru the vac line on top of it. Thats where you can start looking for your problem.
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