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2002 GMC sierra cranks but won't start - Sierra GMC Cars & Trucks

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6ya6ya
  • 2 Answers

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Hi there,
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Posted on Jan 02, 2017

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pippall
  • 1486 Answers

SOURCE: 2002 gmc sierra wont start without useing jumper

Yes it has a rubber cover over it in the engine compartment.i would change the relay.good luck.

Posted on Aug 01, 2009

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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

  • 191 Answers

SOURCE: REPLACE FUEL PUMP GMC 2002 SIERRa

the pump is in the gas tank siphon the gas out and remove the straps holding the tank(you will also need to remove the three screws holding the filler neck to the truck box under the filler door.)as you drop the tank you will also need to unplug the wiring to the top of the tank and the fuel lines they are usually plastic clips,but if this has been done before and the clips got broken from the first time they could have put clamps in place of the clips.I have found it much faster to remove the truck box itself and that way you don't have to drain the tank and it stays stationary while you RandR the pump with less chance of breaking anything.
Also did you double check the fuel pump relay under the hood in the relay box,I would start there first.
Hope this helps good luck.

Posted on Mar 14, 2010

airjer995
  • 5332 Answers

SOURCE: 94 gmc sierra 4.3 v6 manual, won't turn over, can hear fuel pump start when accessories turned on..won't fire, girl who needs help

The first thing I would check is fuel pressure. This type of fuel injection requires a minimum fuel pressure in order to operate. If fuel pressure is as little as one psi below minimum the vehicle will not start. You can try squirting a couple of shots of carb spray into the air snorkel while somebody cranks the engine over. If the engine starts and then dies you now you fpdeffinetely have a fuel issue. If the engine still won't start check for spark. Let me know what you find. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Posted on Feb 08, 2012

tayjoejoe
  • 2224 Answers

SOURCE: my security light stays on & won't let my 99 gmc 6.5 diesel sierra start any solutions

Yes, the system is called Passlock, and malfunctions regularly. Go to this link for an explanation of how it works, plus some tricks and tips on how to reset it, or bypass it.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Mar 27, 2012

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The first thing I would check is fuel pressure. This type of fuel injection requires a minimum fuel pressure in order to operate. If fuel pressure is as little as one psi below minimum the vehicle will not start. You can try squirting a couple of shots of carb spray into the air snorkel while somebody cranks the engine over. If the engine starts and then dies you now you fpdeffinetely have a fuel issue. If the engine still won't start check for spark. Let me know what you find. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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2002 gmc sierra wont start without useing jumper


Yes it has a rubber cover over it in the engine compartment.i would change the relay.good luck.

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