Question about 1991 Toyota Pickup

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I have 1991 toyota pickup will crank but won't idle

I have added a can of Seafoam, i have replced fuel filter

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  • Toyota Master
  • 76,673 Answers

Try this.

Engine stalls cold or RPM fluctuates at idle up and down or dies near idle.

This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

Posted on Oct 26, 2012

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Posted on Jan 02, 2017

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SOURCE: Idle surges after warm up and when brake pedal is pressed

1990 22re same problem surge when pedal was depressed thought it was booster or check valve still didnt fix it i even put a brand new booster on it just to make sure still no fix it finnally went away on its own for about a month now it does it just sitting at an idle with out the brake pedal depressed traced all vaccum lines no problem there and still have no clue

Posted on Feb 21, 2009

  • 118 Answers

SOURCE: 1990 Toyota Pickup

carb or Fuel injected try cleaning either one of these bad distributor cap or rotor or distributor good luck

Posted on Sep 24, 2009

  • 1 Answer

SOURCE: 1991 toyota

Turn the idle screw clockwise on top of throttle body. This will lower the idle and get rid of your up & down idle when you depress the brake.

Posted on Feb 05, 2010

  • 154 Answers

SOURCE: unstable idle on my 1991 Toyota Cressida. Stalls

EGR WILL NOT HELP.. IDLE AIR CONTROL. POSSIBLE

Posted on May 31, 2010

duane_wong
  • 6826 Answers

SOURCE: The 1984 Toyota 4x4 pickup truck will not idle

On a 1984 Toyota I would look for a screw to set the low speed idle on the carburetor, if so equipped. Turn the screw until the RPMs are reasonable.

If you can maintain a smooth idle by adjusting the screw your home free.

If not, then there could be other problems with your vehicle's emission, ignition, comprression, or fuel.

Posted on Jul 07, 2010

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