2005 Other Lincoln Models

2005 LINCOLN
68,000 MILES • V8 • AWD • AUTOMATIC
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JLCGAC
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While driving the vehicle hesitate, skips or hiccips as if it wants to change gears even though it is an automatic. First I was told the vehicle was misfiring and the coils needed to be replaced - this was done problem still exits. Next I was told the Mass Air Flow Sensor needed to be replaced. This was done - problem still exists. Any thoughts or ideas
Sep 11, 2010 at 3:47 PM
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RASMATAZ
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Hi jlcgac,Welcome to 2carpros and TY for the donation-this is what keeps the site going.

Lack of acceleration,chugging,hesitating,jerking,bogging,misfiring etc. could be caused by one of the following below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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 it.
Sep 12, 2010 at 7:44 PM