Need help P0171 Code

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05-22-2003, 10:28 AM

Jakester

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Need help P0171 Code

Hey guys,

does anybody know what I might try to resolve the "P0171 - System too lean Bank 1" code that my 2k1 started throwing after I had the Y-Pipe installed?

I looked at the Warpspeed instructions, and, they say to disconnect the battery during the install, but, the guys at Budget didn't do that.

Thanks in advance.

-J

05-22-2003, 05:41 PM

Jakester

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bump, someones gotta know something

05-22-2003, 06:15 PM

[maxi-overdose]

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Re: Need help P0171 Code

per FSM:
symptom: Malfunction is detected when fuel injection system does not opreate properly, the amount of mixture ratio compensattion is too large (the mixture ration is too lean)

causes:
~intake air leaks
~heated oxygen sensor 1 (front)----> I put my money on this one.
~injectors
~exhaust gas leaks ----> hmmmmmm did you say u just install a y pipe?
~incorrect fuel pressure ---> most likely not
~lack of fuel
~MAF sensor

Quote:

Originally posted by Jakester
Hey guys,

does anybody know what I might try to resolve the "P0171 - System too lean Bank 1" code that my 2k1 started throwing after I had the Y-Pipe installed?

I looked at the Warpspeed instructions, and, they say to disconnect the battery during the install, but, the guys at Budget didn't do that.

Thanks in advance.

-J