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Starts right up, then shuts off

Tiny
PAUL FARRAR
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 4.3L
  • V6
  • 2WD
  • MANUAL
  • 226,000 MILES
Truck will fire right up, let off the gas it shuts off. Give it too much gas it shuts off. Just replace fuel filter distributor cap and rotor. Was running fine one day then all the sudden boom. Computer shows no code. Code 12 only route number 1 to TDC and distributor pointing right at it. I don't believe it jumped time.
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Saturday, July 20th, 2019 AT 6:08 PM

5 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

In the diagrams down below I have included the factory diagnostic troubleshooting guide for Direct Trouble Code 12 for your vehicle. Please go through the guide and do exactly as it says and get back to us with what you are able to find out. We can go from there.

Thanks,
Alex
2CarPros
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Thursday, September 3rd, 2020 AT 12:47 PM
Tiny
PAUL FARRAR
  • MEMBER
  • 2 POSTS
Exact same thing. Flashes 12 that's it.
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Thursday, September 3rd, 2020 AT 12:47 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Could be a fuel pressure issue or TPS maybe faulty. With no codes check the basics.
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Thursday, September 3rd, 2020 AT 12:47 PM

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