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Going down the road engine will shut off and.

Tiny
MLBAB27
  • MEMBER
  • 2006 GMC SIERRA
  • 130,000 MILES
Going down the road engine will shut off and wont start again sometimes. Sometimes after a while it will start sometimes it wont. It will go for a couple of months no problem then all of a sudden it will do it again. Had a mechanic look at it could not find problem. Any suggestions.
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Wednesday, January 30th, 2013 AT 4:00 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuelpressure first.
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Wednesday, January 30th, 2013 AT 3:56 PM
Tiny
MLBAB27
  • MEMBER
  • 2 POSTS
The mechanic scanned for codes fix them and the fuel pressure was fine.
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Thursday, January 31st, 2013 AT 1:20 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If the codes were fixed and it's ok now then good. But if it still continues to quit and then not restart check cam and crank sensors for to much resistance they can get hot and with to much resistance not allow the truck to start when hot. We have no figures on how high theresistance shold be so have it checkedagainst a new one.
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Thursday, January 31st, 2013 AT 2:11 PM

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