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ENGINE SEEMS TO STUMBLE MAINLY WHEN WARMED UP
2001 Subaru Outback
I have a 2001 Subaru Outback 2.5 and when the a/c engages the engine stumbles and almost cuts off. It feels like it is losing all power for a second or so then idle fluctuates and smooths out. Any ideas?
Monday, October 24th, 2011 AT 2:08 PM
Could be caused by one of the following below
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
Fuel pressure regulator leaking or defective fuel pump.
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.
Wednesday, October 26th, 2011 AT 4:08 AM
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