1995 Saturn SL2 engine trouble

Tiny
ERNESTOGARCIA
  • MEMBER
  • 1995 SATURN SL2
  • 4 CYL
  • FWD
  • MANUAL
  • 150,000 MILES
The engine started to rev up while driving and the "check engine" light came on. While driving or iddling the engine would rev up to 3000 rpm. I was told to replace the Iddle Control Valve. I did, however the engine was ok for a couple of hours only and then it stated to rev up again and then the engine would stall. When the engine stalls I have a hard time starting the car back up again. The next day however the car would start up again but begins to rev up again after a couple of minutes. I tried replacing the Fuel Pressure Regulator but that didn't help.
Thursday, September 10th, 2009 AT 1:15 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1st thing to do here is get the computer scanned for code/s over at Autozone its free service, this is your starting point you have a problem within the engine management syste. Your possibilities could be the idle air control valve, throttle position sensor, manifold absolute pressure sensor, intake air temperature sensor, and perform a fuel pressure, also check the EGR and PCV valves-
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Thursday, September 10th, 2009 AT 1:44 PM
Tiny
ERNESTOGARCIA
  • MEMBER
  • 2 POSTS
After I have the computer scanned for codes would that tell me which component is not working.
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Thursday, September 10th, 2009 AT 4:47 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It will show the DTC's what components are causing the CEL to come on-For example P0401 which relates to the EGR valve-
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Thursday, September 10th, 2009 AT 4:52 PM

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