Home » Po171 174 Engine Codes Ford F 150 Common Exhaust

Po171 174 Engine Codes Ford F 150 Common Exhaust

Chevrolet - autorepairinstructions., Losing fan speed settings, is the most common complaint of a bad blower resistor. on this 2001 chevrolet silverado the customer has lost fan speeds 1 and 2.. What fix obd2 codes p0171 p0174 , What would you do to fix obd2 codes p0171 and p0174 on a 1999 ford f150?. Lean code' p0171 p0174 - common | denlors auto, Therefore the most likely cause of p0171 and p0174 codes is a vacuum leak. the source of a vacuum leak can be one of many things. the most common cause of a vacuum.

Intermit. rough idle, check engine w/ p0171 & p0174 codes, Intermit. rough idle, check engine w/ p0171 & p0174 codes expedition & navigator. Most reported problem reports for the 2004 ford f - 150, Problem with your car? see what our experts say or submit your own. most reported 2004 ford f-150 problems. Trouble codes p171, p174 - ford truck enthusiasts forums, Trouble codes p171, p174 ranger & b-series jim, what brand of gaskets did you put on, oem, or aftermarket? i assume you had the type with the "plastic" intake.