Question about 2000 GMC New Sierra 1500

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Throttle body check in 1998 GMC sierra - 2000 GMC New Sierra 1500

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 1996 GMC Sierra 1500 truck fuel problem

Have you check the injector relay or maybe a fuse for injectors.

Posted on Aug 27, 2008

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  • 12 Answers

SOURCE: removal of power steering pump on 1998 GMC Sierra 1500

you need a power steering pump puller the rest is simple any trouble let me know

Posted on Dec 24, 2008

  • 14036 Answers

SOURCE: I have recieved the following codes from 1998 GMC

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.

Posted on Nov 08, 2009

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BuzzFlewhart
  • 655 Answers

SOURCE: 2004 GMC Sierra Computer reset ??

I would suggest stopping by an AutoZOne or O'Reilly's and "borrow" their Scan Tool to erase any codes.
TO reset the "Change Oil" light, turn the ignition to ON (do NOT start the car). Press the accelerator pedal all the way down (then release) to the floor 3 times in less than 5 seconds. Change Oil light should flash then go off. If not, try it again. The trick is to get this done in 5 seconds ro less.

Posted on Apr 01, 2010

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  • 14036 Answers

SOURCE: 2003 GMC Sierra 5.3L (has

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.

Posted on Oct 24, 2010

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1 Answer

I broke off the IAC valve in the throttle body in a 1994 GMC Sierra 4.3lt.. need to know how to get it out. Please help!


if accessible from a good angle Need to drill in to the broken part in the throttle body using a drill bit a bit smaller then the IAC thread as close as possible to the throttle body thread U need rethreading tap similar to the IAC valve if available in size and thread run thru to clean the throttle body thread and replace with new one if no access to it need take out throttle body U have to take Ur time.
Good Luck

Dec 21, 2016 | 1994 GMC Sierra

1 Answer

Why wont my 1998 gmc sierra 3500 start


Check for fuel by pouring small amount of clean gas down throttle body and crank engine over. if it starts and runs just for a few seconds you have a fuel delivery problem

Aug 03, 2014 | 1998 GMC Sierra

1 Answer

Have 2002 GMC Sierra 1500 4x4 5.3ltr it is starting up at full throttle and won't come back down need any suggestions where to go


take intake piping off and look into throttle body and see if butterfly stuck open-check throttle cable for binding-take it off t b-lube up with wd40-cheers Denny

Nov 04, 2013 | 2002 GMC Sierra 1500

1 Answer

What is latest model throttle body can be installed on 1988 gmc sierra 2500?


You will need to ask the dealer parts dept this question, we have no way to reference this here at fixya.

May 25, 2012 | 1988 GMC K2500

1 Answer

I have a 98 gmc sierra that hesitates when given gas when cold changed maf and spark plugs but still happening


had same problem with 2002 gmc ,cleaned inside of throttle body and runs fine .

Oct 29, 2011 | 1998 GMC Sierra

1 Answer

Traveling at 20 30 40 miles per hr, remove foot from throdle anf it wont slow down unless i break


maybe you have a throttle plate that is getting sticky try and buy a can of throttle body cleaner shoot it down the throttle body and clean it out while running just dont spray too much chance fire but this should help it if not check the throttle linkage

Sep 11, 2010 | 1998 GMC Sierra

2 Answers

Wont start


simpler that exposing the throttle body just depress the accelerator 3/4 and try to start.

If like before, the vehicle starts... watch the rear view mirror for black smoke

both indicates a leaking injector(s)

Mar 16, 2010 | 1998 GMC Sierra

2 Answers

Where is the iat sensor located on a 1994 gmc sierra


IAC-passenger side of throttle body.IAT-located in the plastic intake duct directly after the air cleaner and before the throttle body.
hope this helps?

Dec 26, 2009 | 1994 GMC Sierra

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