1998 CHEVROLET 1998 SATURN SL2

  • Tiny
  • 37jbrock
  • 1998 Chevrolet

Brakes problem
1998 Other Chevrolet Models 4 cyl Front Wheel Drive Automatic 145000 miles

the car starts and runs good for 5 to 10 minuets then shuts off. I have checked the spark when it shuts down and there is on spark. I replaced the ignititon module coils and spark plug wires and it still shuts down. I noticed when driving the car the engine rpm spike @ 750 rpms befors it dies. After @ 15 minuets it restarts and will drive and when it spikes in rpm again and you shift to neutral the engine rpm is at @ 3000 but will stay running and when the rpms go down you can shift back into drive for a few minuet. The timing chain went bad before this problem but was replaced with all the teninsioner hardware. The car runs at just below half on the temp gage and runs for over 45 minuets in park at idle. Any help would be greatly appreciated. Thank you Jeff

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Monday, August 9th, 2010 AT 6:02 PM

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  • Tiny
  • saturntech9
  • Expert
  • 29,851 posts

So is it a 1998 saturn SL2?If so sound's like you need a new crank shaft position sensor. There only like 20 You would have to remove it when it didn't start and ohm's check it it should read 800-1200 ohm's. They usually read as an open when they test bad. Let me know if you have a saturn and I will give you further info.

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Monday, August 9th, 2010 AT 6:36 PM

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