All of a sudden the truck acted like the engine shut off?

Tiny
WAYNE PEDERSEN
  • MEMBER
  • 4 POSTS
The fuel pump seems to be pumping good pressure. Where exactly would I find the relay and how do I check injector pulse?
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Disregard the fuel pump relay and check and test the circuit opening relay, for the injectors look for power on the injector harness one of them should have power and also use a noid lite.
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
WAYNE PEDERSEN
  • MEMBER
  • 4 POSTS
  • 1993 MAZDA B2600
1993 Mazda b2600

Will turn over fine but dies rught out. Changed fuel pump and filter. Seems to be getting good fuel pressure. Will stay running longer when I spray starting fluid in throttle body but still won't stay running. Need some ideas on what else I can try.
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
What is the pressure reading? Also check the injectors if they are pulsing.
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
JAXXXON
  • MEMBER
  • 15 POSTS
  • 1989 MAZDA B2600
  • 144,000 MILES
1989 b2600i 4x4 manual trans. No spark at coil. See prev question and answers from January this yr. Well. I've tried everything short of hiring a voodoo priest. Is it possible that a bad or going bad fuel pump could kill spark at the coil? Thanks!
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the ignition coil or fuel pump problem. Check these links

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

and

https://www.2carpros.com/articles/how-to-test-an-ignition-system

let us know
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
JAXXXON
  • MEMBER
  • 15 POSTS
Thanks for the info, it was a bad fuel pump causing the problem, thanks 2Carpros. Com
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
DIAMOND JACK
  • MEMBER
  • 1 POST
  • 1990 MAZDA B2600
  • 145,000 MILES
Distributor gets hot and dies wont start back right away sometimes it runs for a long time with out dying changed out distrbutor and it runs about 30 seconds when it was cold ran perfect yesterday when installed reman distributor do you think it might be a computer problem
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Sounds more like a power wire part shorting to earth and causing the module to over heat, check the wiring first.
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Wednesday, March 20th, 2019 AT 12:20 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,276 POSTS
Thanks Scott, I moved this post to the front page!
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Saturday, February 11th, 2023 AT 1:45 PM

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