Truck runs good but when I give it gas the engine cuts off?

Tiny
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

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 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.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Please run down this guide and report back

Cheers, Ken
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Friday, February 23rd, 2018 AT 9:46 AM

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