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 2:17 PM
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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 8, 2011 at 5:27 AM
DRCRANKNWRENCH
CERTIFIED EXPERT
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.