Mechanics

MERCURY MYSTIQUE ENGINE PROBLEM

1999 Mercury Mystique • 96,000 miles

P1151 CODE FUEL METERING COMING UP INTERMITTENT HARD/NO STARTS BUT RUNS BEAUTIFULLY ONCE STARTED 99-2.5-LS? THANKS JIM
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Guest
December 15, 2012.




Check all hoses for holes or cracks before yu do anything with parts replacement. Check this stuff first
? HO2S and sensor connection.
? Vacuum systems.
? Fuel injector and/or fuel injector circuitry.
? Powertrain Control Module (PCM).
? Electrical circuits (HO2S, HO2S GND, INJ 1 8, VPWR and SIG RTN).

? Ignition system.
? Faulty evaporative emission system.
? EGR and/or PCV system.
? Air intake system.
? Engine oil contamination.
? Fuel system.
? Exhaust system leaks or restriction.
? Engine cooling system.

Hmac300
Dec 15, 2012.


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