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Old 04-04-2013, 06:49 PM   #4
Scooby Newbie
Member#: 206899
Join Date: Mar 2009
Location: vancouver bc
2009 wrx
pearl white


Hey thanks for the responses back, So I had to do a bit of a long drive to do today (120 miles) and did the A/F learning values, I know that you said to wait a tank of fuel but I'm a bit puzzled to the readings in one of my cylinders. Not sure if its running lean or what.

here where the values.

A 1.1%
B -0.4%
C -8.4% <---------------Thats whats concerning me
D -1.5%

These numbers were very consistent through the whole drive, I stopped a few times for lunch etc. and the numbers were all around the same values. what would that reading be, possibilities?

The codes the first time were not the same, it cylinder 2 and 3 the first time and the second time 2 3 and 4, but the second time was right on start up, no heavy accelerating whatsoever. Could this be a dirty injector, not sure if the negative value means its running too lean. Again, any help is greatly appreciated.
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