1985 GMC S15 My Car stalls out going up hills.

Tiny
ROGEROO
  • MEMBER
  • 1985 GMC S15
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 26,000 MILES
If I go up hill or if I try to step on the gas too hard my car chugs as if it were running out of gas, and then it stalls. I put it into park, restart and Im good to go again. It runs well until I try to go on a trip out of town or go too hard on the gas. Is it a sensor, or lock up or something? Or fuel filter?
Sunday, April 19th, 2009 AT 11:39 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
Chances are the fuel pump is going bad or the fuel filter is plugging. I would start by checking fuel pump pressure and volume to make sure it is producing what it should.

Here is a how to for checking fuel pressure:

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know what you find.

Joe
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Wednesday, July 1st, 2009 AT 6:46 PM

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