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How do I know if the oil pressure switch is faulty?

Tiny
FOREST1081
  • MEMBER
  • 2003 SATURN ION
  • 103,000 MILES
It won't start. It will try to start but die. After a while it will finally kick over.
Sunday, March 4th, 2012 AT 12:35 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Remove switch and fit a mechanical gauge, if oil pressure is ok, switch or wiring will be faulty if light is staying on, if hard to start, check all tune items, and check fuel pressure and codes as well, start here.
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Sunday, March 4th, 2012 AT 12:40 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The oil pressure switch will not prevent it from starting, nor will it even cause a long crank. It's not tied into the operating system in any way.
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Sunday, March 4th, 2012 AT 3:51 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Just to add to this one wrenchtech is right those cars are known for bad ignition switches causing no starts.I have replaced a ton of those switches for that with those symptoms. Especailly when the temp is bellow 40 degrees. So when it doesnt start is the security light on solid or flashing?
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Sunday, March 4th, 2012 AT 4:55 PM

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