Truck runs good but when I give it gas the engine cuts off?
KENDARIUS
MEMBER
1990 GMC C1500
5.7L
V8
2WD
AUTOMATIC
200,321 MILES
Hey, my truck idles real good but once I put it in gear and give it gas it cuts off.
Wednesday, February 21st, 2018 AT 4:20 PM
1 Reply
KEN L
MASTER CERTIFIED MECHANIC
47,513 POSTS
Hello,
It sounds like you have low fuel pressure. Here is a guide to help you test the pressure to see if this is a problem TBI correct? Pressure should be about 14 pounds.