new exhaust and check engine light
08-10-2010, 09:33 PM
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Year: 1997
Model: Grand Cherokee
Engine: 4.0
new exhaust and check engine light
well i got m exhaust done today and when im driing i notice my check engine light is on...i get home check it out and i dont see my o2 sensor...im prolly not looking hard enough but lets say its not there...would this cause the check engine light to go on?
08-10-2010, 09:38 PM
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Year: 1997
Model: Cherokee
Engine: 4.0
Yes it would.... the CEL is usually Emissions related, such as the O2 sensor malfunctioning or not being there...
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