Helpppp Code P0171
#1
Helpppp Code P0171
I have a 2007 Infiniti g35 X , for the last two weeks my car has been hesitating between 1000-2000 RPMS.. Other than that the car drives good. Yesterday my service engine light came on with a code of P0171 .. I want to just replace the MAFS but I'm not sure if that's actually it .. :frown: (My O2 sensors and cat have been recently replaced) I have an extended warranty with Allstate but the last time I used it I paid 800 out of pocket so I'm looking to do it on my own . Thank youuuu
#2
You have most of your answers already... p0171 means that you are running lean... electrically, it can mean MAF sensors or o2 sensors... mechanically it can mean your catalytic converters or as simple and fuel starvation due to weak fuel pump or dirty, plugged fuel filters... what kind of gas do you pump? And what brand?
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Isayany (02-19-2015)
#3
You have most of your answers already... p0171 means that you are running lean... electrically, it can mean MAF sensors or o2 sensors... mechanically it can mean your catalytic converters or as simple and fuel starvation due to weak fuel pump or dirty, plugged fuel filters... what kind of gas do you pump? And what brand?
I got the car back in August , since it's been I've had it I only put 93 usually from Mobil .. I'm just not sure it's the MAFS just case I've read if it's the MAFS it's usually two codes
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