2001 Volkswagen Jetta ECM code P0172

Tiny
COLLEEN PRICE
  • MEMBER
  • 2001 VOLKSWAGEN JETTA
  • 4 CYL
  • FWD
  • MANUAL
  • 12,500 MILES
The engine light is on and reads P0172 (too rich). What is the fix?
Do you
have the same problem?
Yes
No
Tuesday, April 29th, 2008 AT 5:28 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
P0172 Rich Mixture, Typical symptoms of an engine that is running rich (too much fuel, not enough air).

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
Was this
answer
helpful?
Yes
No
Tuesday, April 29th, 2008 AT 6:00 PM

Please login or register to post a reply.

Recommended Guides