P1151 CODE FUEL METERING COMING UP INTERMITTENT HARD/NO STARTS BUT RUNS BEAUTIFULLY ONCE STARTED 99-2.5-LS? THANKS JIM
Dec 15, 2012 at 8:57 AM
1999 Mercury Mystique P1151 Code Fuel Metering Coming Intermittent Hard Starts
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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.
? 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.
Dec 15, 2012 at 9:17 AM
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