Question about 1995 Saturn Sl

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95 saturn won't start when hot

Car starts when cold,can run car for 100 miles works fine until you shut it down.it will run until you touch gas. fuel pressure is fine,changed crank sensor,temp. sensor.1.9 single overhead cam

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  • Anonymous Mar 19, 2014

    were crank sensor

  • Anonymous Mar 26, 2014

    after driving a few miles the car looses power stays running but the gas pedal wont even rev. turn the car off for a few mins and its fine again for a few more miles

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Blair, I would take a look at he TPS (throttle position sensor) located on the throttle body. In other words, it sounds as thought sensor when heated is changing its value to "open" or "shorted".
If the car starts OK when cold, use a hair dryer to heat the TPS when the engine is cold to see if you can duplicate the problem.
Also is the a service engine light on? Codes?
If you have a "digital volt/ohm meter" available you can read the variable resistance of the sensor when the problem occurrs to determine if the sensor is defective.

Posted on Feb 09, 2009

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