Cuts out under acceleration?

Tiny
87YOTA
  • MEMBER
  • 1987 TOYOTA PICKUP
  • 4 CYL
  • 4WD
  • MANUAL
  • 180,000 MILES
My truck runs pretty good from 1/2 - 3/4 throttle, but when you give it full throttle it cuts out and stumbles.
Monday, April 27th, 2009 AT 4:36 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

Does the vehicle run normally when you are below 1/2 throttle? Also, what you are describing could be a weak fuel pump or a dirty fuel filter. If the fuel that is needed is restricted, you will notice it most of all under a heavy load.

When it cuts out, does it backfire or anything other than that is out of the ordinary?

Let me know as much as you can.

Take care,

Joe
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Saturday, November 25th, 2023 AT 9:08 PM

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