MOST COMMON CAUSE

1999 Mercury Station Wagon

Tiny

crash1961

January, 5, 2012 AT 8:55 PM

Has set fault codes (p0174, p1151, p1131, p0171)stalls and run very bad when cold after driveing and car warmed up run fine doesnt stall

FOUND 23 RELATED QUESTIONS

P1151

1 ANSWER

1 Answer

Tiny

fixitmr

January, 5, 2012 AT 9:15 PM

Electrical: Short to VPWR in the harness or HO2S
Water in the harness connector
Open/shorted HO2S circuit
Corrosion or poor mating terminals and wiring
Damaged HO2S
Damaged PCM

Fuel System: Excessive fuel pressure
Leaking/contaminated fuel injectors
Leaking fuel pressure regulator
Low fuel pressure or running out of fuel
Vapor recovery system
Induction System: Air leaks after the MAF
Vacuum Leaks

PCV system: Improperly seated engine oil dipstick
EGR System: Leaking gasket
Stuck EGR valve
Leaking diaphragm or EVR

Base Engine: Oil overfill
Cam Timing
Cylinder compression
Exhaust leaks before or near the HO2S(s)

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