1989 Mitsubishi Van Repair Question
Asked on March 6, 2011
Pulling power
Runs well on straight road but labors on incline, what could the problem be?
Answer
Replied on March 13, 2011
Do you have a check engine light on? When was the last tune-up?
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.