1995 GMC Sierra Turns over but wont start

Tiny
BRUTALIS
  • MEMBER
  • 1995 GMC SIERRA
  • V8
  • 4WD
  • MANUAL
  • 219,000 MILES
I was having trouble with my truck spuddering while idling and while driving it. It would only spudder occasionally tho at first but then it started spuddering all the time. I rebuilt my fuel injector assembly and have sprayed carb cleaner into the throttle body and also put carb cleaner and moisture absorbent into the gas tank. It started to have trouble starting before I did all this but now its not starting at all but turns over and sounds like it tries to start. Think it may be the distributor module?
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Thursday, January 22nd, 2009 AT 7:52 PM

2 Replies

Tiny
RASMATAZ
  • MEMBER
Check if you're getting fuel and spark then comeback and tell me what's missing
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Thursday, January 22nd, 2009 AT 8:02 PM
Tiny
PEAR69
  • MEMBER
Do not jump to conclusions and start at the distributer module -- until you have determined and TESTED other - simpler and cheaper - items for failure.
First, determine if it is getting fuel. Take off the air filter assembly and crank the engine. Look to see if there is fuel spraying from the injectors. This is the simplest way to determine if you are getting fuel. If you are observe how it is spraying -- Is it dripping? Is it just dumping into the intake?
Second, check to see if you are getting spark. There are a number of ways to do this, but I just unplug a plug wire and plug in an old spark plug, ground the electrode to the head or a good ground and crank the engine. Is it a strong spark? Do this and let us know what you find.

Also, You do not have a carburator - you have a throttle body. Spraying carb. Cleaner into a throttle body WILL damage it. Use a throttle body cleaner.
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Thursday, January 22nd, 2009 AT 8:12 PM

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