P0175 Diagnostic Trouble Code Discussion for May 2005
Fuel System Rich (Bank 2)
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| Help Request | Posted | |
| 2000 GMC K3500 Sierra SLE 7.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1GTHK39JOY P0175: Fuel Trim System Rich (Bank 2). lt fuel trim b2 -18 at cruise, -9 at idle. b1 also neg. readings. have been on tech hot line and only one reading seems suspect. maf is 2700hz at idle (gm spect is2000, vantage spec is 2300. at 2500 rpm, 4700hz, spec is 4200hz. have tried reman maf and reads s... |
May 17, 2005 | |
| 1996 Ford Mustang 3.8L MIL Lamp on VIN: 1FALP4044T P0175: rich b2. HI ALL, we have a 3.8 liter mustang with codes po172&po175 no running problem o2 are in line. WHEN CODES WERE SET THE FREEZE FRAME RPM 966 TEMP 185 37MPH 36.9% CLOSED LOOP LT B1 18% LT B2 14% ST B1 0.0% ST B2 +2.3 |
May 18, 2005 | |
| 2000 GMC K3500 Sierra SLE 7.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1GTHK39JOY P0175: Fuel Trim System Rich (Bank 2). lt fuel trim b2 -18 at cruise, -9 at idle. b1 also neg. readings. have been on tech hot line and only one reading seems suspect. maf is 2700hz at idle (gm spect is2000, vantage spec is 2300. at 2500 rpm, 4700hz, spec is 4200hz. have tried reman maf and reads s... |
May 20, 2005 |
