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Motor turns over no start any suggestions

Tiny
ANONYMOUS
  • MEMBER
  • 1999 SATURN SL1
  • 115,000 MILES
Motor turns over no start any suggestions
here is a list of things already checked
1) new plugs and wires
2) compression in all 4 cylinders is 96-110
3) fuel pressure at the rail is 30-40
4) all plugs have spark
5) and timing is on

p.S. Some times it starts and will run for about 30-40 minutes and then shut off and wont start
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Sunday, February 3rd, 2013 AT 12:24 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
If you have spark, fuel, compression, and the timing is correct, it should run. Have you checked the fuel injectors to see if they are getting power? Are you getting a good hot blue snapping spark to the plugs?
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Sunday, February 3rd, 2013 AT 1:08 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Are you sure that's the correct compression?Min compression is 175psi.
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Sunday, February 3rd, 2013 AT 1:10 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
If saturntech9 says your compression is low, it is
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Sunday, February 3rd, 2013 AT 1:17 AM

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