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No spark and will not start

Tiny
HUSKYMAN
  • MEMBER
  • 1992 OLDSMOBILE 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 187,000 MILES
My car told me to replace the throttle position sensor and the camshaft sensor because they were bad. I did, and the codes went away, but it still has no spark and wont start. What could still be wrong?
Tuesday, October 11th, 2016 AT 4:37 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It could be the crank sensor or maybe the ignition module which auto parts can test. Crank sensor should have 900-1200 ohms. Also, if tachometer has gone bad if you have one will not let it start. It is normally the white wire.
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Tuesday, October 11th, 2016 AT 5:43 AM
Tiny
HUSKYMAN
  • MEMBER
  • 2 POSTS
The crankshaft sensor is six months old, but I was getting ready to look at here quick. The tachometer thing you said to check is completely new. Have not seen that answer at all going to check now. Thanks a lot bro.
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Tuesday, October 11th, 2016 AT 5:49 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Also, check for a bad map sensor as that can cause it as well.
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Tuesday, October 11th, 2016 AT 6:59 AM

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