po172/175
08-29-2006, 03:08 PM
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po172/175 I am throwing some codes po172 and po175 fuel trims bank 1 sensor 1&2 rich what could cause this my ltft's are with in 1-2 percent with the wide band. Except at 800rpm a little rich is this the cause or have yall found any other causes.
08-31-2006, 03:48 PM
#2
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please help if anyone has any info on these codes I can delete it and it will come back the same day. does it have anything to do with my bypass valve being open to the atmosphere it started after my fuel system upgrade and FMIC install. and my VE is almost perfect with the wideband.
