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Engine cranks but does not start

Tiny
ANTHONY MORAN
  • MEMBER
  • 1988 MAZDA RX7
  • 1.3L
  • 2WD
  • MANUAL
  • 100,000 MILES
Car cranks but will not start unless starter fluid is sprayed. I changed the fuel pump that still did not work. The car has a viper alarm, and it had a toggle switch I removed.
Wednesday, November 3rd, 2021 AT 5:58 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Since you are able to start it with starter fluid the issue is the engine is not getting fuel. Have you got a chance to test the fuel pressure?
If the pump is turning on and you do not have any pressure it could be due to a clog in the fuel line, restricted fuel filter or a bad fuel pressure regulator.

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

I have attached the fuel pressure chart below.

Please let me know of any questions.
Thank you.
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Wednesday, November 3rd, 2021 AT 7:54 PM

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