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Cranks will not start

Tiny
TRUESS77
  • MEMBER
  • 2002 CHRYSLER 300M
  • 3.7L
  • 2WD
  • AUTOMATIC
  • 148,000 MILES
I drove on a very bumpy road and was very low on fuel. While driving the car lost power and I coasted to a stop on side of road after which the car didn't start. I added fuel to the tank and it still didn't start. Had car towed home. I bought a new battery, no start. Replaced the TPS, no start. I even replaced the PCM and it won't start. Please help
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Tuesday, May 26th, 2020 AT 12:40 PM

1 Reply

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

Can you hear the fuel pump come on when you turn the key to on? I would check the fuel pressure. Running out of fuel ruins the fuel pump as the fuel is a lubricant as well as a coolant for the pump.

https://www.2carpros.com/articles/car-cranks-but-wont-start

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

Can you see an RPM signal on the dash when you crank it? That will tell me if the crank sensor is working.

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

I would also do a compression test as well.

https://www.2carpros.com/articles/how-to-test-engine-compression

Roy

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Tuesday, May 26th, 2020 AT 3:09 PM

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