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2003 Chevy 6.0 liter check engine light comes on what is wrong?
Wiki User
∙ 16y ago
The check engine light can come on for literally thousands of reasons. If the truck is still running well, odds are it's nothing too serious. See related links for a free article I wrote that explains in more detail.
Wiki User
∙ 16y ago
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Check your fluid levels.
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1999 ls Lexus check engine light comes on?
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Chevy flashing check engine?
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How do you reset check engine light for the 2009 Chevy trail blazer?
What does it mean if your engine runs but the check engine light comes on a 2002 Chevy silverado?
It is on because the ECU has detected a problem with the emissions system.
What does it mean when a check the engine light turns on a 2004 Chevy aveo?
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Is the engine check light supposed to turn on after changing radiator?
No, the check engine light comes on when the computer detects a malfunction and sets a code.No, the check engine light comes on when the computer detects a malfunction and sets a code.
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Check engine lights come on for several reasons. I own a 98 Monte and my check engine light comes on alot. It could be any thing from a un clipped sensor, fuse, oil needs changed or checked. Take it to Pep Boys or Autozone they check out your check engine light for free.
