91 Crown Vic Surging problem - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 2 (permalink) Old 05-31-07, 06:32 PM Thread Starter
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91 Crown Vic Surging problem

Newbie with a question.

Just purchased a 91 crown vic with 50,000 original miles. Car is imaculate (literally was a 86 year old womans car). The car sat for a while but still drove well. I have now replaced the fuel filter, plugs, wires, air filter and thermostat. Car runs very well but with the A/C on the car will surge at times. It will usually not do it when cold but after it heats up it will. If the A/C is not on the car will not surge. The car has lost overdrive and can only be driven in drive as my transmission guy says the band for overdrive is gone. It it not a speed sensitive issue though as it will do at at 20 or 60 MPH. Any help would be greatly appreciated.

Thanks,
Shane

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post #2 of 2 (permalink) Old 06-01-07, 09:59 PM
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Re: 91 Crown Vic Surging problem

THe freon is low and you need a new trany
reman519 is offline  
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