P0172 Diagnostic Trouble Code Discussion for December 2011
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2001 Infiniti G20 2.0L Hesitation, Cuts out, MIL Lamp on VIN: JNKCP11A31 P0172: Fuel Trim Rich (Bank 1). car came in for emission code P0171-P0172 replaced the O2 and Mass air flow sent the car out to be reprogramed went to get a drive cyle and could not pass CAT O2 AND EVAP. ran compresion 150 all cyls. tested tps exhast back pressure Ok now car will not rev up ... |
December 20, 2011 |
