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
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
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.