Question about 2008 GMC Sierra 1500 2WD

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2008 gmc sierra throws to codes that says throttle position sensor

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 2007 gmc sierra 2500 IAT sensor

Well, the IAT (Intake Air Temperature) sensor is located on the air intake duct between the filter and the throttle body (Assuming you have the 6L motor). The wires are easily visible at the plug that connects the sensor to the wiring harness. That's the easiest place to access them.

Posted on May 18, 2008

  • 2039 Answers

SOURCE: 2008 Gmc Sierra ----- tire pressure sensors

im in cold quebec there preset i install snow tire with rim on those with regular valve light stay on because people dont whant to spsnd and extra $160.00 for those valve in cold zone tire pressure are low be ready to reset that computer many time this winter pierre

Posted on Dec 19, 2008

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SOURCE: 2008 GMC 2500 Sierra - Change factory tire pressure setting

Let me understand this.. I ask you guy's a question and before you send me the answer, you want to charge me. Then you ask if I resolved the problem and if so, tell you how I did it. Well I did resolve it and I would be more than happy to tell you how. $29.95 with get my detailed response.

Posted on Feb 16, 2009

Molson02536
  • 3854 Answers

SOURCE: tps switch

The Throttle Position Sensor is a potertionmeter, and is connected to the throttle shaft on the throttle body it self. The best way to notice it, is the wire harness coming from the Throttle body on one side where the shaft is.

Good luck and hope this help.

Posted on Apr 14, 2009

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2008 GMC sierra code # p2135


Most of the time with the 5.3L in the GM vehicles it is a problem with the Throttle body for P1235 code. Usually you can pull the air intake off the throttle body, take a rag with some break cleaner and open the plate. Clean the inside of plate and throttle body. I will probably be Black Gunk build up that comes off. Just clean it really well. The sensor between the pedal and the throttle body have match signals. If one is off then it goes into reduced power mode. So this can be caused by this residue build up. It usually will fix your issue. It can come back but it will get you back on the road and help take you out of limp mode or reduced power mode.

Mar 23, 2013 | 2008 GMC Sierra 1500

1 Answer

Code 22 on 95 gmc sierra what does that mean also t will start up but wants to die we replaced idle air control valve and also the throttle position sensor did not fix it i check vaccum lines all good it...


Trouble Code 22 indicates that the Throttle Position Sensor (TPS) is reading abnormally low. TPS volts should be close to 0.42 V at closed throttle and rise smoothly in about 0.02 volt increments to a maximum reading of about 4.85 volts at WOT.
Typical causes for this code include:

1) Maladjusted TPS
2) Defective TPS
3) No +5 volt reference to TPS
4) TPS-return to ECM is shorted to ground or to sensor ground
5) Defective ECM

Good luck, i hope this helps.

Jul 01, 2011 | 1995 GMC Sierra C1500

2 Answers

I recently did a scan on my engine and multiple code came up. Can you help me find out what they mean? (p01516, p2101, p2119, p2176)


The letter p stands for powertrain, codes are as follows:
1516-Throttle Actuator Control Module
2101-TAC Position Performance
2119-Throttle Closed Position Performance
2176-Minimum Throttle Position Not learned
All the codes pertain to the Throttle Actuator Contol Module. If you are having driveability issues, you may want to look into replacing the TAC.

Feb 25, 2011 | 2008 GMC Sierra 1500

2 Answers

2008 sierra that does alot of bucking when doing between 65-75mph. Was suggested that I clean the throttle body and fuel injection system and did but did not fix the problem. If idoling it runs great.


I have had similar problems and the solution was to change the spark plug wires. If you have over 75,000 miles on your Sierra, it's time. Other than that, you would need an onboard diagnostic.
Good Luck.

Dec 16, 2010 | 2008 GMC Sierra 1500 2WD

1 Answer

2003 GMC Sierra 5.3L (has 2004 engine) Drive by wire. Reduced engine power (Limp Mode). Following error codes - P1516, P2135, P0120. Checked all connections at throttle body(Wiggle tested the individual...


CODE PO120 - TP SENSOR 1 SIGNAL RANGE PERFORMANCE. CODE P1516 - TAC MODULE THROTTLE ACTUATOR POSITION PERFORMANCE. CODE P2135 - THROTTLE POSITION SENSOR 1 - 2 CORRELATION ERROR. THIS IS A DEALERSHIP FIX YOU HAVE PROBLEMS OR FAULTS IN THE THROTTLE POSITION SENSOR.

Oct 24, 2010 | 2004 GMC Sierra 1500 Crew Cab

2 Answers

Locting the throttle position sensor on a 2003 gmc yukon denali


The throttle position sensor is located on the throttle body. Which is in the front of the intake manifold.

Nov 29, 2009 | 2004 GMC Sierra Denali

1 Answer

I have recieved the following codes from 1998 GMC Sierra: P1345 and P0300b. I have tryed wvweything from full tuneup to feul filter to crank sensor, coil and distribtor. It is hesitating at park throttle....


DTC P1345 CAMSHAFT TO CRANKSHAFT POSITION CORRELATION MALFUNCTION CONDITIONS.CHECK CMP SENSOR MAKE SURE ITS NOT LOOSE CAUSING VARIATION IN THE SENSOR SIGNAL EXCESSIVE FREE PLAY IN THE TIMING CHAIN AND GEAR ASSEMBLY.INCORRECTLY INSTALLED DISTRIBUTOR 1 TOOTH OFF IN EITHER ADVANCE OR ****** POSITIONS. CODE PO300 MULTIPLE ENGINE MISFIRE DETECTED CONDITIONS.THIS CODE WILL SHOW UP WHEN CODE DTC P1345 SHOW UP.YOUR PROBLEMS IS IN THE CMP AND CKP SENSOR.THEY WILL CAUSE MISFIRE IF TIMING CHAIN WORN WITH A LOT OF SLACK IN IT.CAUSING TIMING CHAIN TO SLIP ONE GEAR THROWING OFF TIME.THIS PROBLEM IS A DEALERSHIP FIX.THEY CAN CHECK TO SEE IF TIMING CHAIN HAS SLIPPED.THEY ALSO CAN CHECK VARIATIONS FROM CMP SENSOR AND CKP SENSOR.

Nov 08, 2009 | 1998 GMC Sierra

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