Will not start when engine is warm

CADDYDOG

MEMBER
1995 CADILLAC
V8
FWD
AUTOMATIC
13,500 MILES

In the morning the car will start. After I drive the car for about ten to fifteen miles and turn the car off, return after ten minutes the car will not start unless I put gas in the throttle body. Even then I have to put the gas pedal all the way down and rev the engine until the engine smooths out. If the car cools down totally, then it will start, but if it is hot and I turn the car off for only five minutes it will not start.

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Thank you for visiting 2CarPros.com. I would check to see if the fuel filter is plugged or low fuel pressure. Here is a guide from our site on checking fuel pressure:

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

If you need further assistance please come back to the site we are always happy to help.

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Thursday, January 14th, 2010 AT 8:00 PM

FRANK THE TANK63

MEMBER
1 POST

Hey Caddydog, I have the exact same problem! Did you have any luck fixing it? What was the problem/fix?

Thanks!

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Tuesday, May 29th, 2018 AT 3:48 PM

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

We have seen this problem before and replacing the fuel pump fixes it. Here is a guide to help you see what you are in for when doing the job a diagrams to help you see what it will be like on your car. You can get the pump from Amazon.

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken

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