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Truck sat for quite some time, but I took the.

Tiny
LIVANGRIC
  • MEMBER
  • 1988 CHEVROLET S-10
  • 39,000 MILES
Truck sat for quite some time, but I took the precautions and got it broken in and running again. Started having an issue where the truck would turn over fine, but would not start. I then found that the injector was not spraying. I put a new ignition module on the truck and it then would start just fine. The engine in the truck is a 2.5 with a TBI. When I drive the truck it runs beautifully until it warms up and then dies, has lots of hesitation, and will not start again until is cools down. I then replaced the fuel pump thinking it was losing pressure and then the MAP sensor with no change. I then changed the Hall Effect sensor and it would not even start when cool after this so I put the old one back on. PLEASE HELP. Thanks
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Monday, December 10th, 2012 AT 10:16 PM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time it stalls don't wait for nothing check for spark and fuel pressure-Also refer to this link: https://www.2carpros.com/articles/car-cranks-but-wont-start
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Monday, December 10th, 2012 AT 10:47 PM
Tiny
LIVANGRIC
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  • 14 POSTS
It definitely has spark. I can pour a little gas in the TBI and it will start until that runs out. Fuel pressure I am unable to test as of yet. This truck does not have the port on the fuel rail and I am having a hard time figuring out how and where to test it. If this helps it has done this with two different fuel pumps so I do not believe that is the problem.
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Tuesday, December 11th, 2012 AT 2:43 PM
Tiny
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  • MECHANIC
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Test it at the fuel filter, also check the ignition control module in the distributor
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Tuesday, December 11th, 2012 AT 11:54 PM
Tiny
LIVANGRIC
  • MEMBER
  • 14 POSTS
The Ignition Control module is brand new, but how would I go about testing it just in case it was bad off of the shelf. I am still working on the fuel pressure for you and will post it as soon as I can.
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Friday, December 14th, 2012 AT 10:55 PM
Tiny
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Check the resistances of the distributor ignition pick-up coil-
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Friday, December 14th, 2012 AT 11:31 PM
Tiny
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  • MEMBER
  • 14 POSTS
Thanks for the help. The truck got to where it would not start at all, even when pouring gas directly into the TBI. I checked the fuel pressure and it was perfect. I then tested spark and it was perfect as well. I then took the engine computer down from behind the glove box. I had someone turn the engine over while I tapped on the computer, and it started right up. I swapped the computer with a new one and have been driving it for two days now. Thanks
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Sunday, December 16th, 2012 AT 1:36 PM
Tiny
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You're welcome-Good Luck and Happy Holidays
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Sunday, December 16th, 2012 AT 10:00 PM

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