Will not start after installing new radio

Tiny
DRYDOCK1978
  • MEMBER
  • 2001 DODGE RAM
  • 5.9L
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Put a new radio smelled something shut truck off. Started to drive in the morning and shut off will not start. Codes p0171, p0455, p0442 and p0420.
Wednesday, May 20th, 2020 AT 10:13 PM

1 Reply

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

Does the engine crank over?

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

https://www.2carpros.com/articles/car-battery-load-test

Can you hear the fuel pump run when you turn the key to the on position?

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

Did you check for spark?

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

As far as the codes, the 420 is a bad catalytic converter.

I attached possibilities for the other codes below. None of them are related to no start.

Roy
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Thursday, May 21st, 2020 AT 3:35 AM

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