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Car runs fine one day then not the next

Tiny
HGODIN
  • MEMBER
  • 1996 CHEVROLET LUMINA
  • 3.1L
  • V6
  • FWD
  • AUTOMATIC
  • 184,000 MILES
The car ran fine then it would have trouble starting and would chug miss fire only on occasions though other time it runs an starts just fine scanned it and got a malfunction on the crank shaft sensor replaced it ran better then ever next day started fine parked it later that day wouldn't start again plz help
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Thursday, April 23rd, 2015 AT 10:29 AM

3 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Make sure the crank sensor is properly installed and gapped. Make sure the connector is attached. Have it scanned for soft codes.
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Thursday, April 23rd, 2015 AT 12:38 PM
Tiny
HGODIN
  • MEMBER
  • 2 POSTS
When scanning getting a high temperature on air intake and getting no ign adv
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Thursday, April 23rd, 2015 AT 1:42 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
The high intake temp will cause mixture issues and cause a no start and poor running. Lack of or improper ign adv will also cause those problems. Check the connections and grounds. Check the ignition timing.
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Thursday, April 23rd, 2015 AT 1:47 PM

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