Mechanics

ENGINE "CHOKING" FROM DEAD STOP

2000 Ford Expedition • V8 4WD Automatic •

What would cause my truck to occasionally "choke out" from a dead stop and idle roughly when engine is warm but not hot. It hasn't completely stalled yet when it "chokes" but it leaves you in the intersection for a couple seconds. I have already had the PCV valve, EGR valve and PFE sensor replaced but it did not make a difference.
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Richk138
March 29, 2011.




Our problem was similar to yours--see if this helps at all_____http://www.2carpros.com/questions/2005-ford-escape-rough-idle-at-low-rpm_____The Medic
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CJ MEDEVAC
Mar 29, 2011.
Here's other suggestions of mine

Check and test 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
Rasmataz
Mar 29, 2011.

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