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1996 Chevy truck 5.0l engine, sometimes when cranking it won't start, pour a little gas in the throttle body and it starts, what could it be?

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  • 30 Answers

I would say that the most likely problem would be the fuel pressure regulator. It could have a number of symptoms and what you describe is one of them. Check out this YouTube video that explains it.
http://youtu.be/X11w-qqG1Lc
Good luck!
Ed

Posted on Nov 20, 2013

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Posted on Jan 02, 2017

mrgreenz
  • 962 Answers

SOURCE: Engine cranks, won't start

That does not sound good. It seems that you may have broken or worn rings or pistons. You could try timing the engine and see if that is not a problem but I think it is a bad piston and rings.

Posted on Nov 14, 2008

pittmanc
  • 194 Answers

SOURCE: gas is flooding thru throttle body when trying to start

eather o-ring is bad or throttle body injecter is cracked

Posted on Dec 15, 2008

DAD5bbbbg
  • 111 Answers

SOURCE: 91 Chevy K2500 5.7 engine will crank but not start.

If you have a electric distributor there will be a spark module in side of it. you need to change that. it comes with silicon that must be put on the bottom of it before you put it on. Also I would make sure that your timing is OK. Pull your #1 plug wire off and put your finger over the hole and turn it over, just bump it in tell the piston comes up. you will feel air on your finger. bring that piston all the way to the top. I use a long screwdriver(turn the engine by hand) then check and see if the marks on the timing cover line up. If it does than change that module.

Posted on Mar 17, 2009

  • 140 Answers

SOURCE: 1988 nissan pickup engine rotates but does'nt start.

it sounds like the injectors are not opening up man.. replace the injectores and this should fix your problem..good luck keith....

Posted on Mar 21, 2009

Molson02536
  • 3854 Answers

SOURCE: won't hold fuel pressure

Check the fuel pressure at the shredder valve, there should be 60,PSI to 65,PSI for the poppet injectors to work. If the pressure is correct then there is a good chance that the Spider injection system may have gone bad. Recap. Check the fuel pressure at the shredder valve to make sure the Fuel pump is not going bad. There is a valve at the fuel pump that holds the residual pressure in the system, try cycling the ignition three times. Turn the ignition to the run position for 5 seconds and turn it off and do it again for 3 cycles to pressurize the fuel line and see if it starts. If it does not start then check the fuel pressure at the shredder valve. Make sure you have the proper pressure to activate the injector system. If not then get the injector system check for bad wire harness and see if you can smell gas leaking. Oh and the easiest thing to do is change the fuel filter too. Good luck and keep me posted and if you get a chance get the ECM scanned at Auto Zone for free and look for any DTC codes if any have it cleared. Good luck and keep me posted

Posted on Jun 04, 2009

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