• Tiny
  • barbarastcroix
  • 2004 Saturn Ion

Engine Performance problem
2004 Saturn Ion 4 cyl Front Wheel Drive

my car loses power going up hills, and then sometimes she will kick in and shoot ahead. What can the problem be.

Monday, October 25th, 2010 AT 6:26 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

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

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Monday, October 25th, 2010 AT 9:03 AM

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