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need some help... code p0171

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Old 12-12-2007, 07:39 PM
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need some help... code p0171

I cleared the light and it has not come back on yet. The car feels slow though, and i think the engine makes a different noise than when it used too. Also I have been getting 300 miles a tank on the highway, which is lets say it has been better, a lot better. So I do not understand why I am getting crappy gas mileage with a code for the engine being lean? Some have pointed this problem to a faulty maf sensor. So I was wondering if anyone knows if I should check something else before buying a new one? Also do I have to get the ECU reprogrammed if I do buy a new one? how much are they btw? Thanks a lot
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Old 12-12-2007, 07:55 PM
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The lack of fuel could be MAF related, if so, a MAF related code should up up shortly.

Last edited by NmexMAX; 12-12-2007 at 07:59 PM.
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Old 12-13-2007, 09:25 AM
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I got that message once. I simply reset it, and it never came back.

/r
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Old 12-13-2007, 10:34 AM
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Originally Posted by ryankbaker
I got that message once. I simply reset it, and it never came back.

/r
Thanks for your help
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Old 12-13-2007, 08:46 PM
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Originally Posted by NmexMAX
Thanks for your help
lol,

well yeah i called around. i am getting a new maf, i just do not know if i have to have my ecu reset by the dealer? is it recommended or is it 100% required?
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