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Whats the most common reason the check engine light comes on

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Old 02-08-2004, 01:34 AM
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Monster231
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Default Whats the most common reason the check engine light comes on

I have a 98 mn6 and i was puttign along the other day and it just popped up out of no where, cant say that i feel any difference in the performance of the car :confused: I'm sitting at a bit over 31K, i know its a shot in the dark, but any one want ot take a stab
Old 02-08-2004, 02:16 AM
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Richin Chicago
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Default Re: Whats the most common reason the check engine light comes on (Monster231)

I have a 98 mn6 and i was puttign along the other day and it just popped up out of no where, cant say that i feel any difference in the performance of the car :confused: I'm sitting at a bit over 31K, i know its a shot in the dark, but any one want ot take a stab
Check for codes.
http://www.c5forum.com/ayc/dtcdic.php

The most common cause for check engine light, (emission related), I would guess, is a loose gas cap.
Old 02-08-2004, 09:28 AM
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boblackhardtop
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Default Re: Whats the most common reason the check engine light comes on (Monster231)

emission related
Old 02-08-2004, 09:40 AM
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Default Re: Whats the most common reason the check engine light comes on (Monster231)

Gas cap improperely secured would be my guess, I bet Chevy dealers get hundreds of cars in each week all over America for a Check Engine Light that is the result of not securing the gas cap properely. I fell victim to that, thank goodness for the CF and the ability of the C5 to reset the codes and "fix itself".

Tom
Old 02-08-2004, 11:21 AM
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JC in XTC5
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Default Re: Whats the most common reason the check engine light comes on (AFVETTE)

Many DIC codes will also set lamp. Check DIC to narrow down your specific issue.
Old 02-08-2004, 04:41 PM
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Chris@East Coast Supercharging
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Default Re: Whats the most common reason the check engine light comes on (JC in XTC5)

Whats the most common reason the check engine light comes on

A problem :lolg: :lolg: :lolg: sorry, had to :)
Old 02-08-2004, 04:42 PM
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Default Re: Whats the most common reason the check engine light comes on (Monster231)

On a serious note. I usually see alot of 02 codes. :)
Old 02-08-2004, 04:51 PM
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ICULUKN-C5
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Default Re: Whats the most common reason the check engine light comes on (CHRIS NJ C5)

o2 codes
Old 02-08-2004, 08:37 PM
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Default Re: Whats the most common reason the check engine light comes on (Richin Chicago)

Richin, thanks for the link to that website. I just figured out the code that my car threw after installing my headers. :cheers:

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