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Service Engine but no code?

Old Oct 4, 2010 | 01:57 PM
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Default Service Engine but no code?

Its a 03 5.3 well maintained stock..light came on went to couple stores to have it checked but no code at all.Does anyone know what could cause this?any help would be appreciated..
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Old Oct 4, 2010 | 02:01 PM
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Originally Posted by SILVY303
Its a 03 5.3 well maintained stock..light came on went to couple stores to have it checked but no code at all.Does anyone know what could cause this?any help would be appreciated..
is it on steady or does it flash? No history codes either?
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Old Oct 4, 2010 | 02:44 PM
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Originally Posted by viciousknid
is it on steady or does it flash? No history codes either?
It stays steady and no past code history..might it be a fuse causing it? I already checked the gas cap n it's good
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Old Oct 4, 2010 | 02:47 PM
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Might not be a Pxxx code, what kind of scanners are they using? (I'm assuming cheap ones?)
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Old Oct 4, 2010 | 02:52 PM
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Yea cheap ones at autozone..but it's 100 at chevy dealer juz for them to check it out
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Old Oct 4, 2010 | 02:56 PM
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where are you located? Someone on here may have EFI Live or HPT near you.
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Old Oct 4, 2010 | 03:03 PM
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Originally Posted by viciousknid
where are you located? Someone on here may have EFI Live or HPT near you.
Oklahoma City...
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Old Oct 4, 2010 | 03:04 PM
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Could be a short in the ciruit to the check engine light...
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Old Oct 4, 2010 | 03:13 PM
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Originally Posted by budhayes3
Could be a short in the ciruit to the check engine light...
wouldn't a short cause it to not light up?
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Old Oct 4, 2010 | 03:23 PM
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Originally Posted by SILVY303
Oklahoma City...
I plan to go to the social security office later in the week. I can scan it when I get done if you meet me some where.
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