OT PLease Help!!!!!

Reply Subscribe

Thread Tools

Search this Thread

Apr 26, 2005 | 06:20 PM

77BlueL82

Thread Starter

Racer

Joined: Oct 2002

Posts: 449

Likes: 2

From: Fayetteville, PA

OT PLease Help!!!!!

I don't know where to post this, so here goes.

I have a 1996 Tahoe 4.3 4X. The engine stalls and I get no Check Engine light. I changed the fuel filter and it ran good for 5 days the it started againl today. Any one have an idea. It's my sons car for school, he's using my dd, which means I use the Vette and put on 100+ miles every day for work. Any Ideas? HELP

Apr 26, 2005 | 06:26 PM

JustinGJ

Racer

Joined: Mar 2005

Posts: 316

Likes: 0

From: Grand Forks North Dakota

Does it start again immediately? If not try smacking the bottom of the gas tank with a rubber hammer while cranking it, the fuel pump might be on it's way out.

Apr 26, 2005 | 06:26 PM

tracdogg2

Drifting

Joined: Jul 2002

Posts: 1,995

Likes: 110

From: Garland Texas

Check the fuel pressure. It must have at least 50 psi to open the valves on the injector.

Mike

Apr 26, 2005 | 06:30 PM

77BlueL82

Thread Starter

Racer

Joined: Oct 2002

Posts: 449

Likes: 2

From: Fayetteville, PA

Thanks Guys

The car starts right up after stalling. It runs fast for a few seconds then drops to normal idle speed.

Apr 26, 2005 | 06:31 PM

77BlueL82

Thread Starter

Racer

Joined: Oct 2002

Posts: 449

Likes: 2

From: Fayetteville, PA

Fuel pump

Also the fuel pump hums. (out of tune).

Apr 26, 2005 | 08:29 PM

SkunkApe

Drifting

Joined: Apr 2005

Posts: 1,323

Likes: 3

From: I KNOW JESUS... HE'S MY GARDENER

Same thing happened in my GM truck. Fuel pump hummed loudly. Started, ran for a few minutes & died. Changed it out ($350+ from GM Parts Direct

) and all is well.

Apr 26, 2005 | 08:48 PM

markdtn

Le Mans Master

Joined: Aug 2003

Posts: 7,720

Likes: 12

From: Chattanooga TN

Sounds like fuel pump.

I also have a customer with a 95 4x4 Blazer that had a similar issue and it turned out to be vacuum leaks: Main line out bottom/back of the intake, to the actuator under the battery tray, and some other line. He does a lot of offroad and we are actually on the second fuel pump replacement in about 100k miles since he has had it.

Apr 26, 2005 | 09:00 PM

77BlueL82

Thread Starter

Racer

Joined: Oct 2002

Posts: 449

Likes: 2

From: Fayetteville, PA

Thanks

I'm going to have to do the fuel pump. By the way, 214000 miles, second fuel pump. Everything else is original, even the spark plugs. Engine runs smooth and the plugs show minimun wear.