Question about 1988 Toyota 4Runner

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Replacing throttle sensor

Should the throttle body be replaced when installing a new throttle sensor on a 88 toyota 4runner 3.0 6cyl.

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No. not normally, unless the bushings the shaft rides on are completely shot. remove the sensor and wiggle the shaft.... feels tight then its good

Posted on Apr 01, 2014

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How do I replace a TPS(throttle position sensor) on a 1996 Toyota Tacoma? I need step by step instructions.


the short reply is you cant,you must replace the throttle body try a breakers yard .

May 08, 2014 | Cars & Trucks

2 Answers

Could a broken vacuum valve switch cause my 1995 Toyota 4 runner v6 to idle ruff and stall every time I


please get your car rescanned and fault codes cleared even after fitting new parts. the ecu wont always realise the new parts have been fitted.
obviously any vacuum leak will cause an idle fault because air is being vented into the engine that is not recorded by air sensors etc.
let me kno what happens when all dtc codes are cleared and vacuum switch is replaced.
cheers
Roger

Apr 26, 2014 | 1995 Toyota 4Runner

2 Answers

1991 toyota 4runer MAF mass air flow sensor location


Should be between air filter and throttle body.in black tube.

Feb 19, 2013 | 1992 Toyota 4Runner

1 Answer

95 4runner 3.0 v6 rough idle


Dirty throttle body, IAC sensor.

Jun 12, 2017 | Cars & Trucks

1 Answer

Toyota 4runner ran low on oil and now won't start


Throttle body position sensor (TPS), JUST locate the throttle body and you will see an electrical plug, RIGHT at the throttle butterfly, check if it's LOOSE or if there's anything WRONG with the WIRES, and go from there.
Normally, it will have like 4 wires, not sure about the color, but 1 is constant power, 1 is output signal, 1 is IDLE/Wide open throttle SIGNAL, and the LAST is ground.

Use a Voltmeter, hook the NEG-(black lead) to chassis or BATTERY NEGATIVE. The RED lead is probed into any wire to check for any voltage. ONLY perform this check when you have Ignition ON, means that you have power, but engine OFF. Do not take hours long you will drain the BATTERY.

Power wire will either be always 5V or 12V constant.
Ground will have ~0 Voltage.
OUTput signal wire will VARY as you work the throttle, start at 0.5 "ish" and 4.5V "ish at Wide open.
The idle switch signal should switch between maximum and minimum value as you work the throttle BACK and FORTH.

CHECK ONE AT A TIME.
IF NT working, look for a new part. IT's TOYOTA should not be EXPENSIVE.
FEEL FREE TO DESCRIBE what you find to me :).

Oct 25, 2012 | 1998 Toyota 4Runner

4 Answers

On a 04 camry with 2.4 ltr engine, can I replace just the throttle position sensor or do i have to replace the entire throttle body? The engine code said faulty throttle body.


I think the terms "Throttle Positon Sensor", TPS and "Throttle Body" can be misleading at least in regards to the 04 Camry.

My 04 Camry gave a diagnostic reading of P2121 for my problem "Throttle PEDAL position switch D circuit". However, we changed out the complete Throttle Body/TPS (Toyota Part #22030-0H020) that did NOT fix problem.

The 04 Camry TPS Electronic Module "Throttle Positon Sensor" is factory assembled and riveted to the side of the throttle body. The only way to service/inspect it would be to cut off or drill out the rivets. Not sure you could open the darn thing if you got it off, but that seems to be the only way Toyota sells them!!

Hopefully a new Throttle PEDAL Position Sensor (Toyota Part # 78010-33010 PEDAL ASSY, ACC)
will fix it. This is located under the dash near the accelerator pedal.

So, now I would recommend FIRST to replace the "Throttle PEDAL Positon Sensor" (it is much, much cheaper) and then the Throttle Body/TPS assembly!! Unless of course, you get a diagnostic code as you did for "faulty throttle body!!


Nov 12, 2009 | 2004 Toyota Camry

1 Answer

Bad excelleration. Dies when let up on gas.


Pull your IAC (Idle air control) off and spray clean it & the port it came out of with throttle body cleaner. Spray pintle (pointed part) good and clean, then re-install & try it. If it's cured & starts to act up again later, replace it.
Should be mounted near front of throttle body, on side.

Aug 08, 2009 | 1986 Oldsmobile Delta 88

2 Answers

4runner will not idle


check your air idle control valve on the throttle body.

May 11, 2009 | 1994 Toyota 4Runner

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