P0172 code?

Tiny
SGTMILLER1982
  • MEMBER
  • 2005 DODGE NEON
  • 2.0L
  • 4 CYL
  • MANUAL
  • 130,000 MILES
I loss power at about 40mph and will not go over 4000 rpm. I had a code of p0172 but it was gone the next time I went out to my car. Still have the problems.
Wednesday, January 21st, 2015 AT 7:33 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The P0172 typically comes up due to fuel related issues.

Possible causes are:
- O2 sensor heater operation
- O2 sensor
- EVAP purge solenoid operation
- O2 signal circuit
- O2 return circuit
- MAP sensor operation
- ECT sensor operation
- Engine mechanical problem
- Fuel filter/pressure regulator
- PCM

Check these article on low power, might help point to the right direction:

https://www.2carpros.com/articles/engine-has-low-power-output
https://www.2carpros.com/articles/symptoms-of-low-engine-power

I have attached the complete diagnostics for that code.

Please let me know of any questions.

Thank you.
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Sunday, August 1st, 2021 AT 10:01 PM

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