1996 Lincoln Town Car hesitation when speeding up

1996 LINCOLN TOWN CAR
158,000 MILES • V8 • 2WD • AUTOMATIC
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3CARS
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  • 1 POST
when i am driving on the hwyway or city my car runs fine, until i cut on my air conditon. once my air is on and i excellerate i get a jerking and pulsation in the engine
Apr 6, 2010 at 10:00 PM
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RASMATAZ
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  • 75,992 POSTS
Lack of acceleration,chugging,hesitating,bogging etc. could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
Apr 23, 2010 at 12:48 AM
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