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Truck will start and run for few minutes and then die

Tiny
RAYFORD
  • MEMBER
  • 1990 CHEVROLET SILVERADO
  • 212,000 MILES
Have changed out ignitionswitchmodule, rotor, dist. Cap, and fuel filter
Saturday, December 24th, 2011 AT 4:10 AM

15 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When it dies does it restart riht away or do you have to wait for it to start?ALso any codes?
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
Yes it does start and no codes but service engine soon light comes on
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
SATURNTECH9
  • MECHANIC
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If the service engine soon light is coming on while its running then there should be codes. How did you check for codes?
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
The service engine soon light goes off once truck starts and I bought a 30 dollar code reader but all it does is blink, pause, blinkblink
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
That would be a code 12 it will repeat three times then flash the next code if there is one that is normal. Are there any other codes?Also its normal for the service engine soon light to turn off after starting it. You code have done the same code flashing with a paper clip and saved 30 bucks.
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
Well it reads the same code for more than 3 times and can you tell me why my truck will not stay on and run normal
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
From the little info I have no I cant so when you restart the engine after it dies how long will it run?
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
It will run for about 3 to4 minutes and it will die and right after it does thst I can start it again
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Sunday, August 20th, 2017 AT 6:30 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Thats a tough one since it starts right back up and runs another 4mins.I would watch the fuel pressure when it dies and see what it reads. Also what size engine do you have?
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
It has a 5.7L V-8 AND AS FOR FUEL PRESSURE I CAN'T GET TO THE FRONT OF THE TRUCK QUICK ENOUGH TO CHECK AND AS FOR THE FUEL GAUGE IT DOES MOVE ANY
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
SATURNTECH9
  • MECHANIC
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You can hook the fuel pressure gauge up and run the hose between the hood and the hood seal and tape the fuel pressure gauge to the windshield. I have done it many times.
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
Don't have a fuel pressure gauge or own any mecanhic tools
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
SATURNTECH9
  • MECHANIC
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Your going to have to buy some or rent some or take it to a shop. Cant fix anything or test anything without tools. You can rent a fuel pressure at auto zone.
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
RAYFORD
  • MEMBER
  • 8 POSTS
I can't get to a shop because it won't stay on long enough to go any where but see wat I can do as for the tools and it's 12;57a.M. Here so going to bed now will talk to you tomorrow
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Sunday, August 20th, 2017 AT 6:31 PM
Tiny
SATURNTECH9
  • MECHANIC
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Oh so your around texas area iam in california and texas starts the two time differnce. Alright keep me posted I will do my best to get back to you. Its christmas eve and starts my holiday celebration.
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Sunday, August 20th, 2017 AT 6:31 PM

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