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12-21-2010, 08:40 AM #1
- Join Date
- Aug 2007
- Location
- Greensboro, NC
- Age
- 39
- Posts
- 1,335
Pewter- 2002 Trans Am WS6 M6
Left side of motor is not igniting.
So been chasing this problem for the better part of a week. When driven the cars left side cylinders will not ignite under 2500 rpms or 60 mph. Every time we hook it up to a computer it tells us that we are getting multiple misfires. We have changed the plug wires, spark plugs, checked the coil packs over and they are working fine. We put in a new intake gasket thinking it was pulling air from a leak somewhere and causing the problems. Also pulled and cleaned the injectors. My mechanic is baffled and everyone he has talked to with experience on LS1s has said one of these items were the source but after going over them all we still have the same issue. If any of you guys have any insight we would really appreciate it.
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12-21-2010, 08:45 AM #2
- Join Date
- Jan 2009
- Location
- North Jersey
- Posts
- 11,496
Phantom Black Metallic- 2004 GTO M6
Are there any loose electrical connections on the left side of the engine? Like maybe a main coil harness? Almost sounds like a bad ground for the coil packs.
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12-21-2010, 08:51 AM #3
- Join Date
- Aug 2007
- Location
- Greensboro, NC
- Age
- 39
- Posts
- 1,335
Pewter- 2002 Trans Am WS6 M6
Gone through all the connections and they are good.
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12-21-2010, 08:56 AM #4
- Join Date
- Nov 1999
- Location
- over here...
- Age
- 45
- Posts
- 25,709
[]D [] []V[] []D- 1999 trans am
do you have any friends that can swap out the PCM with to see if your pcm isn't shitting out on you???
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12-21-2010, 09:06 AM #5
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12-21-2010, 09:21 AM #6
- Join Date
- Nov 1999
- Location
- over here...
- Age
- 45
- Posts
- 25,709
[]D [] []V[] []D- 1999 trans am
the only other thing i can think of is if you've ever jacked the engine up (maybe to put headers in) that the wires might have been pinched between the firewall and engine...
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12-21-2010, 12:10 PM #7
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12-21-2010, 12:13 PM #8
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12-29-2010, 07:52 AM #9
- Join Date
- Aug 2007
- Location
- Greensboro, NC
- Age
- 39
- Posts
- 1,335
Pewter- 2002 Trans Am WS6 M6
Mechanic called me back finally to go over everything since he wasn't in town when I got the car. Turns out the car had water in the computer.
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12-29-2010, 08:33 AM #10
Suggestion: If you are particularly irritated by another member's posting habits and are constantly fighting the urge to flame them, you can click on that person's profile, and select "Add to ignore list." This will make that person's posts invisible to you.
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12-29-2010, 10:30 AM #11
- Join Date
- Aug 2007
- Location
- Greensboro, NC
- Age
- 39
- Posts
- 1,335
Pewter- 2002 Trans Am WS6 M6
Good to know will check it when I get off work later.
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12-29-2010, 05:11 PM #12
- Join Date
- Jan 2009
- Location
- North Jersey
- Posts
- 11,496
Phantom Black Metallic- 2004 GTO M6
Keep us posted.
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