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Old 07-07-2008, 10:08 PM   #1 (permalink)
Sam S
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check engine light for chevy impala 2002?

hi,i had a check engine light it was for a fuel injector #4 misfire but i fixed it. now i got a check engine light for like a oxygen sensor or something,. but i deleted it by hitting clear with a device. and now it wont show. and i need to take it to the mechanic and i don't know how to prove it to him without a check engine light. how to make it come back???

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Old 07-08-2008, 01:51 AM   #2 (permalink)
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should still show up in the pcm's memory...
you remember which code it is (for front or rear o2), theyre pretty easy to change

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