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Throwing p0174 and p0171 but runs fine...

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Old 10-05-2008, 06:52 PM
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Lightbulb Throwing p0174 and p0171 but runs fine...

So at the track my car started throwing those codes...and it ran same times so im not quite sure whats going on with it. I looked around for vacuum leaks and didnt find any...so my question is...would it be my MAF? or something else, the car doesnt surge or hesitate or anything, and i read that my O2s are probably fine since its throwing both the codes at the same time.

advice?

thanks.
Old 10-05-2008, 06:53 PM
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IF the maf failed the ar will revert to the map sensor. Is the maf clean?
Old 10-05-2008, 11:41 PM
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just cleaned the MAF and reset the pcm, so i'll see if it comes up tomorrow.
Old 10-06-2008, 08:31 AM
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Did you use maf cleaner?
Old 10-06-2008, 10:29 AM
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yes sir. drove to school so far, and no ses light is showing so i think its problem solved hopefully.




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