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P0172 Diagnostic Trouble Code Discussion for December 2011

Fuel System Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0172
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