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Truck stalls out when decelerating

Tiny
B2300
  • MEMBER
  • 1998 MAZDA B2300
  • 2.3L
  • 4 CYL
  • 2WD
  • MANUAL
  • 91,000 MILES
After driving 30 plus minutes my truck stalls out when coming to a stop sign or light. I can restart the truck but after a few restarts the engine kicks knocks and completely shuts off. It will restart about an hour later but the same cycle begins.
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Friday, September 20th, 2019 AT 2:56 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

I would check the fuel pressure during the time it will not start to see if the fuel pump is working.

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

Fuel Pressure Specifications:

Engine running or key on .................... 64 +/- 8 psi

Engine off .................... 64 +/- 8 psi

I would also check for spark as well. Make sure it has spark while cranking.

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

If you have any starter fluid, try spraying it into the air filter and see if it starts and stalls.

Roy
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Friday, September 20th, 2019 AT 3:03 PM

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