powertrain malfunction light engine jerking, idle very high Would need fault codes to help dia Idle very high
engine idling fast The most common reasons for a high idle speed is a sticking throttle, vac leak, or a faulty idle air bypass valve. The computer uses the valve to control idle speed.
need electronic control unit for 1995 grand marquis controls the idling, There is a throttle position sensor and ther is also an iac (idle air control) module. The iac failure usually results in a ...
it is idling too high since there is nothing else that you are telling us, i would begin to think that its a bad idle air control motor inside your throttle body...or else its a bad engine coolant ...
Question about Mercury Grand Marquis
engine stalls after cold start-up & release from high speed idle 1990 mercury g/m-5.0L-V8-EFI, mileage-86,000mi, Ignition & fuel systems appear OK. No service light,no codes. After restart at high ...
...idles really high it has 5.0 what can i do to fix it reduce your idle speed on the carborator and alls you have to do is tighten or untighten a screw i am not familiar with that carborator but it ...
99 Grand Marquis won't stay started when engine cold. It cranks up fine but dies quickly when the engine is not up to operating temp. It runs fine at speed (even cold), but dies when idling and cold. ...
my 1991 mercury grand marquise seems to be idling to high at all times. Try removing the neg battery cable.leave it off for 10 min. It will take the computer a few miles of driving to re-learn the ...
Question about Mercury Grand Marquis
after replacing two leaking vacuum lines( under the plenum ), the idle is too high. is there ab too high. is there an adjustment? this is 5.0 injected. either you still have a vacuum leak or the idle ...
Question about Mercury Grand Marquis
...idles high is there a manal adjustment and if so where is it located idles high and also while driving You may have a bad throttle position sensor. There is no adjustment. It is computer
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