Engine Problem
OGGUN108
01-18-2004, 08:38 PM
After Tune Up,,my Ford Explorer Is Bein Getting Codes P0171 & Po174,,,any Ideas? Thank You
bustedratchet
01-19-2004, 07:44 AM
I think that is system too lean bank 1 & 2. I would check to see if you disconnected any vacuum lines.
rshepard
03-05-2004, 08:05 PM
check the o2 sensors
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