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2003 Lincoln Navigator Repair Question


Topics covered: Sensor, Engine, Spark.
Mileage: 150,000 miles.

Asked on October 16, 2011

How can I fix non acceleration, shuts off while driving, poor gas mileage to this vehicle?

When I drive the vehicle it doesn't accelerate and it shuts off while I'm driving and it has poor gas mileage.
Avatar Asked by Barbie 01

Answer

Replied on October 16, 2011

Do you have a check engine light?

http://www.2carpros.com/articles/engine-hesitates

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.
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 and keep testing.

Tiny Answered by rasmataz
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