Question about 1998 Ford Crown Victoria
I have a 1988 Ford Crown Vic with the 5.0L EFI.
Upon start-up the engine has a alternating idle between high and low RPMs....Then if i put it into gear, the idle becomes EXTREMELY rough, and tries to shut the car down.
After i give it a little gas, and drive down the road, it stops, and run absolutely fine..
PLEASE help me, i just bought the car...
Ive ran injector, and fuel system cleaner through it, as well as changing the fuel filter.
When you turn the key on does the check engine light come on? If not it may be burned out. It sounds like a MAP sensor or an O2 sensor is bad. I would suggest taking it to autozone as they do free diagnostic and seeing if a code comes up. If it is a sensor it should, if not it may be the idle sensor not reading right in the ECU. More than likely it is one of the sensors though.
Posted on Jun 23, 2009
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Posted on Jan 02, 2017
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