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Update: Had Auto Zone pull the codes...
Posted by Noel (more from Noel) on Sat, 7 Oct 2006 10:18:42
In Reply to: CEL, drop in fuel economy, but runs fine, Noel, Fri, 6 Oct 2006 17:10:03
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and they are P0171 and P1171.
These point to the MAF (P1171, I think) and O2 sensor P0171 adapting to a lean condition. I'm thinking that the O2 sensor is seeing lean, so it adds gas to richen things up, keeps seeing a lean condition for whatever reason, and keeps adding gas. But I could be wrong.
The plugs actually were dark, but not real bad, but all 4 piston tops looked wet, so I'm wondering if the FPR is part of the issue.
I've never cleaned the MAF, and I checked my throttle body two weeks back when I did the t-stat, and it is clean. So I'll try cleaning the MAF see what happens. Don't have a lot of time currently, so this one may go to my indy.
ANyone know how much a MAF costs if mine is dead? I don't see it on eEuroparts.
posted by 24.52.16...
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