P0172 Diagnostic Trouble Code Discussion for April 2008
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2001 Honda Odyssey EX 3.5L MIL Lamp on VIN: 2HKRL18661 P0172: Fuel System Too Rich (Bank 1). VEHICLE HAS CHECK ENGINE LIGHT ON PO172 O2 READINGS LOOK GOOD, ON EXTENDED TEST DRIVE HAD SHORT TERM @-23. FOR AWHILE, LONG TERM STAYS STEADY @14.9 SCANNED THROUGH GLOBLE MODIS, TESTED FUEL PRESSURE AND IT IS AT 52 W/VAC. A LITTLE HIGH BUT WOULD THIS CAUSE THE... |
April 04, 2008 | |
| 1998 Volkswagen Cabrio 2.0L MIL Lamp on VIN: 3VWAB81E2W P0172: bank 1 system rich. car came in with mil light on. scanned and found code po172, Bank one system to rich I replaced upstream o2 sensor. customer drove car and called me the next day light came on same code. Gave car tune-up using all bosch parts. Cap,rotor,plugs,and wires. insta... |
April 13, 2008 | |
| 1998 Volkswagen Cabrio 2.0L MIL Lamp on VIN: 3VWAB81E2W P0172: bank 1 system rich. car came in with mil light on. scanned and found code po172, Bank one system to rich I replaced upstream o2 sensor. customer drove car and called me the next day light came on same code. Gave car tune-up using all bosch parts. Cap,rotor,plugs,and wires. insta... |
April 15, 2008 | |
| 1998 Ford Ranger Splash 3.0L MIL Lamp on, Poor acceleration VIN: 1FTYR14U5W P0172: rich condition. Vehicle has fuel trims and LT. -25%, ST. -18% at idle and while driving. Accelerates poor when wot because it goes to open loop. Disconnected Evap, PCV, no change. Dpfe works fine. Induce vacuum leak, o2's go lean and fuel trims start to climb. Runs good with ... |
April 17, 2008 | |
| 1998 Ford Ranger Splash 3.0L MIL Lamp on, Poor acceleration VIN: 1FTYR14U5W P0172: rich condition. Vehicle has fuel trims and LT. -25%, ST. -18% at idle and while driving. Accelerates poor when wot because it goes to open loop. Disconnected Evap, PCV, no change. Dpfe works fine. Induce vacuum leak, o2's go lean and fuel trims start to climb. Runs good with ... |
April 18, 2008 | |
| 1996 Chevrolet S10 2.2L Excessive Emissions, MIL Lamp on P0172: Fuel System Rich. Vehicle runs clean at idle, and high rpm, on startup shortly after going into closed loop.O2 switches fine,injectors vary 1.0ms to 2.3ms,short fuel trim 0.Emissions basically 0. After a few minutes short term starts subtracting fuel gradually to -18%,O2 starts... |
April 23, 2008 | |
| 1996 Chevrolet S10 2.2L Excessive Emissions, MIL Lamp on P0172: Fuel System Rich. Vehicle runs clean at idle, and high rpm, on startup shortly after going into closed loop.O2 switches fine,injectors vary 1.0ms to 2.3ms,short fuel trim 0.Emissions basically 0. After a few minutes short term starts subtracting fuel gradually to -18%,O2 starts... |
April 24, 2008 |
