Check Engine Light - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-21-2005, 01:43 AM   #1
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I know without the machine you cant tell me why it came on but there really dosent seem any reason. came out of the movie theatre and drove my gf home and then noticed it on. it did start snowing... i dunno, anything come to anyones mind?

im so sick of problems on this car
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Old 02-21-2005, 02:06 AM   #2
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Could be a random misfire..... oftentimes those can go unnoticed to the driver but the PCM picks 'em up. How new are your plugs, wires, and coil packs. On the other hand it could be anything related to either one of your O2 sensors...... Well, actually, it could be ANYTHING (of course). I'm just thinking of some of the more common problems.
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Old 02-21-2005, 03:16 AM   #3
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well i plan on replacing all of the above when the weather gets a bit nicer. i dunno what i was hoping to aciveve with this post lol
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Old 02-21-2005, 03:22 AM   #4
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Why don't you just go to Autozone and get it scanned for free?
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Old 02-21-2005, 11:32 AM   #5
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not sure they are open on presidents day, plus it hapened at 12:30 last night. and it snowed heavily so i was just lookin for seom feedback thats all
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Old 02-21-2005, 11:36 AM   #6
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Mine is on, and it is due to the MAP Sensor and/orEGR valve. I notice no difference in performance. The only thing might be poor gas mileage, but that could also be due to having a remote start and low tolerance for cold weather...

AutoZone should be open today, BTW....
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Old 02-21-2005, 12:43 PM   #7
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If you feel like making a 5+ hour trip to Pittsburgh, I can scan it for ya!
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Old 02-21-2005, 02:51 PM   #8
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haha thanks twister! but i think with a check engine light its best not to go on a 5+ hour trip!
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Old 02-21-2005, 03:12 PM   #9
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Quote:
Originally Posted by Garb
haha thanks twister! but i think with a check engine light its best not to go on a 5+ hour trip!
go to Autozone
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Old 02-23-2005, 12:51 AM   #10
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Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by Garb
haha thanks twister! but i think with a check engine light its best not to go on a 5+ hour trip!
go to Autozone
Or buy one of these and do it yourself
http://order.harborfreight.com/EasyA...7%20PST%202005
Type in "code reader" in the find by key word box.
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