Question about 1988 Toyota 4Runner

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88 toyota 4 runner 3.0 6cyl. replaced throttle position sensor now truck wont run right

It will idal but mush on gas peddle and it dies

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  • Toyota Master
  • 354 Answers

What was the reason for replacing the TPS in the first place?

Posted on Mar 25, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

tepfy
  • 319 Answers

SOURCE: egr code

REPLACE the EGR valve and gasket, stop being cheap. sometimes there are things that cant be fixed. It could have a micro crack in it or a bad spring. Just brake down and replace it. I have been there so many times. You smack your head into the wall for hours on something that you dance around for months. Let me know once you replace it.

Tepfy

Posted on Nov 07, 2008

  • 2 Answers

SOURCE: replace front brake pad 2003 toyota 4 runner

Diagram is unnecessry.
Pull both front wheels
Work one at a time leaving the other for reference
Find the retention spring ... its a paperclip thickness wire spring... dislodge center retention loop and undo from both ends which engage brake pad retention rods.
Pull the rods out
Pull the old pads out... laying everything on the ground
Use scrap wooden wedges to pry between the rotor and the caliper ...inside and out until the calipers are fully withdrawn. Use the new pads to measure if they are far enough back.
Note... the brake fluid will have dropped in the master cylinder over many months of wear... do not fill it. When the calipers are pushed back they will fill the reservoir again... one wheel at a time.
Be sure to identify the correct pad based on what you took out and what is on the other side (if you screwed up the layout)
Make sure to take the old antisqueek backing plate from the old pad and place it on the new pad. They don't use lubricant on these anymore.
Replace the pads... the retention rods... then the retention spring
Do the other side
Then progressively step on the brake peddle until full tension is felt
Check the master cylinder reservoir... probably needs no additional fluid.
New pads will register in existing ridges in each disc in no time at all.
You should check the discs to see if they need to be replaced during this operation...using some calipers

Posted on Mar 25, 2009

  • 125 Answers

SOURCE: 2000 Toyota 4 Runner, 3.4L, 6 Cylinder. Engine

look at the plug wires they are known to bust when old near the boot

Posted on Apr 30, 2009

  • 73 Answers

SOURCE: HOW TO REPLACE STARTER 1996 TOYOTA 4 RUNNER

ARE YOU SURE THAT YOU NEED TO REMPLACE THE STARTER

Posted on Jul 26, 2009

  • 121 Answers

SOURCE: where I can find the vacuum hose diagram for 88 4runner

there should be one in the chilton manual you can find one at your local autozone 8^)

Posted on Dec 02, 2009

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2 Answers

I have a 1985 Nissan 300ZX it will start right up but it won't accept any more gas and It won't keep running. If I turn the key off and turn it back on again it will start right back up. Please help


The throttle position sensor is no good when you start the car it can idle but when you step on the gas peddle to raise the engine speed it dies

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I have a 1992 4 runner and the dealer just replaced the entire engine and it has an idle problem. When you start it up it runs fine but if I take it on a long trip about 1 hour of continuious running the...


I would start with the throttle positioning sensor. The computer tells this sensor when to raise the rpm's and lower the rpm's. Either that or just turn the idle up a tiny bit manually. There is a screw on the throttle body, just turn it clockwise about 1/4 of a turn.

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Engine doen't stay idle at steady rpms rev up and down by itself


Either you have a vacuum leak, a bad throttle body position sensor, or a bad throttle body.

If the throttle body is drive by wire (electronic) then it would be a bad throttle body.

If the throttle body is drive by cable (manually driven by a cable connected to the gas peddle) then it would be a bad throttle position sensor.

If the throttle body is bad the check engine light wil lbe on. If it is on have your codes read at your local parts dealer for free, and this will give you a clue as to which pices/parts you need to replace.

Have the car leak tested and the vacuum linse inspected for leaks as well.

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Car Starts but wont go.


It could be a couple things. There may be a vaccuum leak in the fuel system such as a bad EGR or PCV valve or the throttle position sensor. I'm leaning towards the throttle position sensor needing replaced. The throttle position sensor reads how far you're pressing on the gas peddle and then feeds that to the computer telling it how much gas to feed to the engine. If that sensor isnt working right then your car will get enough gas to start and idle but will starve for gas as soon as you try drive and will then stall.

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Check your throttle position sensor.

Feb 05, 2009 | 1998 Oldsmobile 88

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My 1998 Olds 88 has been stalling and running rough.


Check and clean the IAC valve. Idle Control Valve. Use brake cleaner or carburater cleaner . Remove the duct work from the air filter assembly. It is located just inside . Run the engine at 1200 rpms and spray the valve. The valve can also be removed and cleaned.

Jan 07, 2009 | 1998 Oldsmobile 88

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