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Bad acceleration

Tiny
CWOOLEVER
  • MEMBER
  • 1993 SATURN SL1
I have a 93 Saturn. Lately it has been having trouble accelerating. It****** a lot when pressing the gas to hard and when it idles at a redlight, it sounds like its about to die (on quite a few occasions, it has). I've taken to three different mechanics and they don't know what's wrong and keeping throwing out random guesses it seems like - some suggestions were the air filter, timing belt, fuel injection, sensor something, valve something, what is going on?
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Saturday, March 12th, 2011 AT 4:31 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be one of the following below -check and test:

Oxygen sensors.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.
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Saturday, March 12th, 2011 AT 4:36 AM

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