Fuel trouble

V8
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KNOCKA
  • MEMBER
  • 1 POST
My tahoe won't start unless you more gas in the throttle body runs good when started what could be the problem
Feb 19, 2011 at 6:17 AM
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KYLEMCNEEL
  • MEMBER
  • 34 POSTS
fuel filter and also check to see if it's on the right way. it will cause low pressure. pressure should be 60-66 or it won't start
Mar 7, 2011 at 9:27 PM
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DRCRANKNWRENCH
  • ✓Experienced Mechanic
  • 3,380 POSTS
If the truck does not have any problems holding an idle when accessories are turned on, the Fast Idle Thermo is a likely source for the problem.
It has coolant flowing through it and acts as a choke.
May 3, 2011 at 8:22 PM
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