Engine will not stay running

1995 CHEVROLET TAHOE
200,000 MILES
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YOUNGMAN210
  • MEMBER
  • 1 POST
I have the vehicle listed above with a 5.7. when i get it to crank it will idle but once i shift the transmission into drive and give it gas it shuts off. Need help please.
Mar 3, 2022 at 6:18 AM
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JACOBANDNICKOLAS
  • Experienced Mechanic
  • 110,240 POSTS
Hi,

By chance, is the check engine light staying on when the engine is running? If not, the next thing I recommend is checking the fuel pump pressure. It may be low and when you press the throttle, it can't keep up.

Here is a link that explains how it's done. You will need a fuel pressure gauge, but oftentimes, a parts store will lend one to you at no charge.

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

Let me know as much as you can. For example, is there any smoke or odd smells from the exhaust when running? Are there any odd sounds? Is the engine coolant low that could indicate another type of issue?

I will watch for your reply.

Take care,

Joe
Mar 3, 2022 at 11:22 AM
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