2003 Opel Corsa DTC P0170 FUEL TRIM

Tiny
SIMICKG973
  • MEMBER
  • 2003 OPEL CORSA
Engine Performance problem
2003 Opel Corsa Front Wheel Drive Manual 85000 miles

DTC P0170 FUEL TRIM
Friday, September 3rd, 2010 AT 12:53 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Probable causes of an engine running rich are as follows:

1. Excessive fuel pressure can be cause by restricted fuel return line or defective fuel pressure regulator.
2. Defective Oxygen Sensors.
3. Leaking injectors and fuel pressure regulator.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system.
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Friday, September 3rd, 2010 AT 1:14 PM

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