2001 Dodge SX P0172 repair

Tiny
BLASTN
  • MEMBER
  • 2001 DODGE SX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 98,000 MILES
Need to no mow to repair a code p0172 engine running to rich
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Saturday, June 26th, 2010 AT 1:56 AM

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Tiny
RASMATAZ
  • MEMBER
Probable causes of an engine running rich are as follows:

1. Fuel pressure not within specs. Can be cause by restricted fuel return line or defective fuel pressure regulator.
2. Defective Oxygen Sensors.
3. Leaking injectors.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system.
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Saturday, June 26th, 2010 AT 4:55 AM

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