1987 Chevy Truck surges at higher speed

BASSMASTER969

MEMBER
1987 CHEVROLET TRUCK

Engine Performance problem
1987 Chevy Truck V8 Two Wheel Drive Automatic 128k miles

truck seems to run fine till i get up to 60 or so.then it feels like it not getting enough gas.if i give it more gas there is a dead spot and then it takes off!!i have changed fuel filter soark plugs and wireset set timing etc.....by the way it has tbi!!!also ran some sea foam thru it

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Hi:
First, great truck. We don't see them like that in PA anymore. Ours have mostly rusted away thanks to the salt on the roads.

Regardless, I realize you replaced the fuel filter, but did you check the fuel pump pressure? That is where I would start.

Let me know what you find.

Joe

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Thursday, January 22nd, 2009 AT 3:16 PM

BASSMASTER969

MEMBER
3 POSTS

I have not check the pressure I did have to repair the intake fuel line. Had to order from dealer. So could be the promblem?I ran it without the air filter today it seem to do fine so maybe it is just the filter. What do u think?O by the way the truck is for sale. It has new paint rims tires motor rebuilt 31k ago new radio flows front window new brakes trailer brakes no leaks or smoke very strong truck I am asking 4200.00

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Thursday, January 22nd, 2009 AT 4:49 PM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Hi:
I would love to have it. One problem, I just got a new Dakota quad cab so my kids would fit. Plus, I have a restored 78 step side Big 10 that has been in storage for the last 10 years and my wife is ready to kill me about that. I can't imagine you'll have any trouble selling it. Try Craigslist or Ebay if you can't sell it locally. It's really nice and I know there are a lot of people in PA that would jump on it.

If the new fuel line doesn't fix the problem, check the fuel pressure and let me know what you find.

Good Luck,
Joe

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Thursday, January 22nd, 2009 AT 5:18 PM