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Throttle position sensor replaced in 2008 tahoe and truck still surges

Dealership changed throttle body but the truck still surges

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6ya6ya
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Posted on Jan 02, 2017

  • 34 Answers

SOURCE: truck backfires looses power. surges erratic

intake or head leaks also could be timing

Posted on Aug 12, 2009

  • 36 Answers

SOURCE: 1993 toyota 4x4 idle problem

sounds like your throttle positioning sensor is not set right so i would undo the two phillips heads that hold it and turn it till the idle doesnt fluctuate should be turned most of the way to the front of the truck. Also check your idle screw that throttle body could be set different.

Posted on Sep 23, 2009

  • 11 Answers

SOURCE: on a 04 camry with 2.4 ltr engine, can I replace

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!!


Posted on Jan 21, 2010

  • 63 Answers

SOURCE: need to know location of throttle position sensor

Not 100% sure on your exact car but nissan TPS usually are on the opposite side of the TB from the butterfly return spring.

Posted on Mar 09, 2010

Testimonial: "thanks a million no information on installing & adjusting in repair manuel"

  • 594 Answers

SOURCE: i have a 2004 chevrolet

need to scan for codes engine has derated due to malfunction

Posted on Mar 31, 2011

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I have an 03 Tahoe 4.8 liter I'm getting OBD codes p0120 p0220 p 1516 p2135 please clean the throttle body replace the throttle body with the position sensor my car will not start


code p 0120 refers to mass air flow(MAF) sensor/volume air flow(VAF) sensor---low input===causes wiring short to ground ---MAF/VAF sensor---ECM
code p 0220 refers to throttle position sensor (TP) B /accelerator pedal position (APP) switch B--circuit malfunction===causes --wiring--TP/APP switch---ECM
code p 2135 refers to the same as p 0220 causes and sensors

Apr 03, 2016 | Cars & Trucks

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How do I solve for My Hyundai sonata model 2009 code P2110 , P2118 in scaning. I changed throttle body and TP sensor. after change of these even I am getting problem in accelerator not increases above


P2110...Faulty Throttle Actuator Control Module
- Throttle Actuator Control Module harness is open or shorted
- Throttle Actuator Control Module circuit poor electrical connection

P2118 - Electronic Throttle Control(ETC) system is made of the components throttle body, Throttle Position Sensor(TPS)1&2 and Accelerator Position Sensor(APS) 1&2. The throttle body contains the actuator, the throttle plate and the throttle position sensor (potentiometer), which are integrated in one housing. The actuator consists of a DC motor with a two-stage gear. The opening angle of the throttle valve is detected by the throttle position sensor which is mounted on the throttle body. And it provides feedback to the ECM to control the throttle motor in order to control the throttle valve opening angle properly in response to the driving condition.

Jan 06, 2015 | 2009 Hyundai Sonata

1 Answer

I have a 2007 z71 tahoe that dealership says needs to have to replace my throttle body sensor at it will cost me $750.00 or so to fix. Is that correct amount. Seems pretty high.


No it should't cost that much. Its just a sensor that unplugs and probably has 2 screws holding it in place. Go to Napa and buy one then pop the hood and look around until you find what looks like the part you just bought. Then replace it.

Apr 18, 2014 | Chevrolet Tahoe Cars & Trucks

1 Answer

How do you check a throttle position sensor on a 2007 chevr tahoe 4x4


The 07 Tahoe has a fly by wire system so there is two throttle position sensors. One on the throttle body the other is in the gas pedal assembly. Check them with a scanner the voltage should be almost the same voltage.

Feb 01, 2014 | Chevrolet Cars & Trucks

1 Answer

Surging idle


Bad throttle position sensor.

Nov 24, 2013 | GMC Yukon Cars & Trucks

1 Answer

Where is the throttle position sensor located on my 2008 Jeep commander. It is a 4.7l V8, once I am looking at the throttle body, all I see is one cable coming off a large black box on the driver side. I...


You have a drive by wire system. There is no serviceable "TPS" sensor. The throttle body is replaced as an assembly. What's the part number of the part you got?

Aug 11, 2013 | 2008 Jeep Commander

1 Answer

Im trying too locate the throttle position sensor on a 2003 chevrolet tahoe an how too replace?


1. Locate your airfilter box 2. Follow it back to the throttle body there you will find it mounted to the side. Replacement is simply 2 screws and no tricks to installation.


Oct 25, 2010 | 2003 Chevrolet Tahoe

1 Answer

I need to locate the throttle position sensor on a 1997 Tahoe, 5.7 L, 4WD? How do you change it?


The sensor is mounted on the throttle body which would be were the old carburetor use to be mounted. The sensor is on the side with a 3 wire conector pluged into it
It must be mounted and set to 1.5 volts with the throttle fully open to operate correctly

Jun 19, 2010 | 1997 Chevrolet Tahoe

2 Answers

My 2008 Suzuki forenza loses power hesitates and regains power slowly I have had it into the dealer ship and they said it was fixed The car had to be towed back to the dealer ship last week for the same...


I also have a 2008 Forenza. It is currently at the dealership because the transmission failed. I took it to the dealership and asked them to look into it when I got an oil change, they said they found nothing. Two days later, the check engine light was on and the car was severly jerking like it could not catch the correct gear. At first they said it was a sensor, and fixed that. I picked the car up, drove 1 mile, and it started jerking again - needless to say, I went back. They told me it could be the transmission module, but if not, they would have to replace the entire transmission. My advise is to be persistant with the dealership to find your problem or they will continue to pacify you and brush you off.

Mar 31, 2010 | 2008 Suzuki Forenza

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