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check engine light

 
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impala22boy
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2001 Chevrolet Impala


PostPosted: Thu Mar 04, 2010 8:55 pm    Post subject:  check engine light Reply with quote

had autozone check -my check engine light. came up with code P0405 egr flow sensor a circut low input. i had them reset it while i was there.....alittle down road it pops up again.i know its not bad, well it shouldn't be cause i replaced it like a year ago or less with a life time warranty. when i replaced it back then the light stayed on then too never went away....code this code mean something eles or maybe something eles is making it pop up.....
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IffyG
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2002 Chevrolet Monte Carlo
1998 Oldsmobile Intrigue
2009 Chevrolet Malibu


PostPosted: Thu Mar 04, 2010 9:05 pm    Post subject:   Reply with quote

It means there is still a problem with the EGR circuit. Take it to a mechanic and have them check it out.

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impala22boy
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PostPosted: Thu Mar 04, 2010 9:14 pm    Post subject:  . Reply with quote

its 63.00 buck to get get checked by shop Sad for something that could be simple to have replaced. at home for free

you guys always know everything figured you guys would know this
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IffyG
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2002 Chevrolet Monte Carlo
1998 Oldsmobile Intrigue
2009 Chevrolet Malibu


PostPosted: Thu Mar 04, 2010 9:19 pm    Post subject:   Reply with quote

Then replace it for free and see if it fixes it. If not, go to a shop.

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Dazzle
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2002 Chevrolet Impala
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PostPosted: Thu Mar 04, 2010 9:20 pm    Post subject:   Reply with quote

I replaced my EGR valve myself and it continued to have problems. Bought another module still had issues. Took it to the shop and they cleaned all the lines.

So if you plan to replace it yourself, make sure you clean the gunk out of the lines to and from the egr valve.

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