PO171, 99 Blazer
#1
PO171, 99 Blazer
Hey all. I had my car scanned at Auto Zone... Came up with PO171 The PCM has determined that during testing, the fuel system for bank 1 was too lean.
Any ideas?
Any ideas?
#2
#3
RE: PO171, 99 Blazer
I would start by cleaning the MAF sessor w/ electrical parts cleaner. Erase the code and take it from there.
Could be a bad O2 sensor. Dunno yet.
Could be a bad O2 sensor. Dunno yet.
#4
RE: PO171, 99 Blazer
Thanks...I'll give it a shot.
#5
RE: PO171, 99 Blazer
i liked that site mag, thanks for posting it, i added it to my favorites...could b useful in the future along with asking people on the forum.
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oldmechanic
2nd Generation S-series (1995-2005) Tech
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08-07-2014 08:29 PM