Car stumbles when hot over 180 degrees

1994 SATURN SPORT COUPE
4 CYL • FWD • MANUAL
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TIM KIRBY
  • MEMBER
  • 2 POSTS
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.
Nov 19, 2010 at 5:50 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
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
Nov 19, 2010 at 6:02 AM
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