P0173 Diagnostic Trouble Code Discussion for December 2006
Fuel Trim Lean Or Rich (Bank 2)
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| Help Request | Posted | |
| 2000 BMW 323i 2.5L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: WBAAM3341Y ONCE THE VEHICLE WARMS UP VERY SLIGHT MIS STILL EXISTS, BUT DURING WARMUP PROCESS STEADY MISFIRES AND CHECK ENGINE LIGHT COMES ON. i HEAR A VACCUUM LEAK, BUT CAN NOT FIND IT. i SOUNDS LIKE A CARCKED INTAKE MANIFOLD. |
December 17, 2006 | |
| 1999 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA29G1X P0173: fuel trim malfunction bank 2. no speak german. replaced both bank 2 o2 sensors w/no change. cleaned mass air, fuel press checks within specs does not bleed down after sitting. no appearent vac leaks currently doing smoke test for vac leak. any german knowledge would be helpful. |
December 26, 2006 |
