Question about 1996 GMC Sierra

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1996 GMC Sierra 1500 truck fuel problem

Hello, I have a 1996 GMC 1500 V6. I pulled up to a stop light and it died and wouldn't start. If i put gas into the throttle body, it will start until the fuel runs out. I've put a new fuel pump in, replaced the fuel filter and fuel relay with no luck. I am getting fuel up to the throttle body but it still will not start. There are two fuel lines going into the top of the throttle body and one of them has fuel that comes out when the key is turned on. I'm not sure what the other one is for unless it is a return.

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  • Tim-1 Aug 27, 2008

    Where is the injector relay? I've checked every fuse I could find.

  • rakal1 Nov 17, 2008

    have exact same problem but my motor is 4.3 vortec. changed everything know i have a bad o2 sensor... could that b why it won't start...if not, then what? does neone know?

  • Anonymous Feb 08, 2009

    I have gritty ash-like dirt being sucked into the cab of my 1996 GMC Sierra truck from somewhere. Is there a filter that needs to be replaced?

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

Posted on Aug 27, 2008

  • Castle Towery Aug 27, 2008

    Go to an auto parts store and purchase a Haynes or Chiltons repair manual spacific to your vehicle.I am not sure where it is located on your auto.The manuals are around $25 and are very detailed.

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1995 gmc turns over ill not start replaced coil mod. in dist. not getting fire to coil 4.3 L

Posted on Aug 25, 2010

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Check fuel pressure. Must have about 50 pounds to open injector valve.
May need new fuel pump or regulator.

Posted on Apr 30, 2010

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SOURCE: 1997 GMC Sierra- won't start unless you put fuel

Start injectrer deffcctive (unlikely) or out of circit!
But more likely fuel preshure is douwn! check your fuel pump for preshure, once started the engine can live with that for a time I think you will find it is that!
Pleased to be of help.........Bruce

Posted on Mar 15, 2010

hotrodtod38
  • 141 Answers

SOURCE: 1998 GMC Sierra won't fire and run

INJECTOR MAYBE?

Posted on Feb 13, 2009

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SOURCE: octane grade for a 2001 v6 gmc sierra 1500

93 but any will work

Posted on Mar 22, 2009

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SOURCE: i have a 88 gmc

the idle air control actuator is a common problem in this type of fuel injection an is mounted in the throttle body also the map sensor should be on top of intake make sure is connected right and have full vacum if so just tap on it with engine running and will miss if it is faulty please let me know if this helped or need further assistance i'll be glad to help.

Posted on Mar 15, 2011

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