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Fuel injector issue

Tiny
BRIBRI4275
  • MEMBER
  • 1998 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 181,000 MILES
What would cause the fuel to fill up the central port for the injectors where the main wire connector plugs in when I try to crank the engine to start the truck? It's like the gas is going in reverse in the spider injectors and the connector pops off and fuel is left in the port.
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Thursday, March 31st, 2022 AT 7:37 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

It sounds like a fuel pressure issue. Have you checked pressure? If not, do this first and let me know the results.

I attached the directions below specific to this vehicle for testing. They include diagnostics and fuel pressure specifications.

Let me know what is found.

Take care,

Joe

See pics below.
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Friday, April 1st, 2022 AT 8:35 PM

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