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2006 GMC Sierra 2500 HD replaced throttle body sensor and fuel pump getting gas and fire but will not start

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  • 68 Answers

Is it turning fast or slow when cranking..check for compression that might be low hence non-start.You can try pouring a bit oil in all cylinders by the plug holes becareful too much oil might result in a lockup due too high compression.If not check your timing belt

Posted on Apr 12, 2015

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Posted on Jan 02, 2017

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SOURCE: I have a 1993 gmc 2500 van with a 4.3 v 6 engine

sounds like u have a clogged fuel filter or a leaking line the filter should be right outside the tank try this has to be no other option

Posted on Sep 14, 2010

  • 182 Answers

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

  • 71 Answers

SOURCE: mass air sensor and intake air temperature sensor

They are not the same thing but the air temp sensor is made into the mass air sensor

Posted on Nov 22, 2008

soc21610k
  • 215 Answers

SOURCE: only starts when pouring gas in throttle body

Tried changing the fuel filter? If that's not it it could be a bad pump

Posted on Jun 02, 2009

  • 1 Answer

SOURCE: 2006 gmc sierra 1500 stalled and will not start.

i have a 06 sierra that done the same thing and it was the distributer gear stripped

Posted on Dec 08, 2009

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2006 GMC Sierra 2500 series replaced throttle body sensor and fuel pump getting fire and gas but will not start


Do you have spark at the spark plugs ? Also are there any lights lit on the instrument cluster , check engine , SECURITY ? What throttle body sensor did you replace ? TPS -throttle position sensor ! What engine does yours have because there are a few options for this vehicle , 4.3 , 4.8 , 5.3 , 6.0 L !

Apr 12, 2015 | GMC Cars & Trucks

1 Answer

97 gmc siera on cold days have to dump fuel into throttle body to start, runs fine after??


look into throttle body while cranking.see if you see fuel spray.if not, low fuel pressure of pluged fuel filter. also coolant temp or tps sensor could be at fault.have vehicle sensors scan tested for values..

Dec 25, 2012 | 1997 GMC Sierra

2 Answers

1998 GMC Sierra 2500 5.7L hard cold starts last month, now won't start cold w/o a little carb cleaner in intake. Codes for oxy sensors, mass air sensor and crank/cam position. Drove today, no power just...


starting definately has a lot to do with the crank/cam position sensors, but it wouldnt have nothing to do with hot or cold weather, oxygen sensor will make the vehicle run too rich if its out, you will smell fuel very strong out the exhaust, that could make it run sluggish also, and usually if the mass air flow sensor goes out the vehicle wont start at all...

Nov 27, 2010 | 1998 GMC Sierra

2 Answers

2006 gmc sierra 1500 stalled and will not start.


i have a 06 sierra that done the same thing and it was the distributer gear stripped

Dec 06, 2009 | 2003 GMC Sierra 1500

2 Answers

My 93 gmc sierra would start but when i put it in gear and tried to accelerate it would act like it wasn't getting gas. I used a diagnostic tool and it said there was a problem with the map sensor i...


It sounds like your fuel pump has failed. Use a fuel pressure gauge to see what your pressure is now. Once you've replaced the fuel pump you will see the difference in the pressure and it will repair your concern.

Jul 22, 2009 | GMC Sierra 1500 Cars & Trucks

1 Answer

99Sierra 6.0l Gas. Bucks,sputters,pops when cold for only a 1/2mi


Could be an engine or air temperature sensor problem or a dirty throttle body.
You can check the values of the sensors with an ohmeter getting the specs hot and cold from a manual or your local auto parts store.
The throttle body needs a spray cleaner designed for throttle bodies only as some may damage plastics.

Jun 20, 2009 | 1999 GMC Sierra

2 Answers

Throttle body injectors not fiering but there is fuel pressure


the injectors are fired thru the engine cotrol module but it gets its signal to fire from the pick-up located inside the distributor if you are loosing injector pulse only the ignition module is bad if you are also loosing spark when you loose injector pulse your pick up is causing the problem if you replace the pick-up i recomend you change the ignition module when doing so because they work together and you have to remove the distributor to change the pick-up

May 31, 2009 | 1994 GMC Sierra

3 Answers

1996 GMC Sierra 1500 truck fuel problem


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

Aug 26, 2008 | 1996 GMC Sierra

1 Answer

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.

May 18, 2008 | 2004 GMC Sierra 2500

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