1994 Saturn Sport Coupe Repair Question
Asked on November 19, 2010
Car stumbles when hot over 180 degrees
I have a 94 Saturn that runs fine untill it reaches 180 degrees then it stumbles and sputters till it cuts off. When it is cold it is fine.
Asked by Tim KirbyAnswer
Replied on November 19, 2010
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
