P0173 Diagnostic Trouble Code Discussion for January 2006
Fuel Trim Lean Or Rich (Bank 2)
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| Help Request | Posted | |
| 1997 Ford E-250 Econoline XL 4.2L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 1FTFE242DV P0173: testing and results. ... stalling at times when at a stop as well as when they were to excel it would stumble. There were no codes set at this time. When we removed the air filter the engine would start to stumble. We replaced the MAF sensor because of that. This didnt fix it. We ... |
January 20, 2006 | |
| 1999 Mitsubishi Montero Sport LS 3.0L MIL Lamp on VIN: JA4MT31H4X P0173: Fuel Trim Lean Or Rich (Bank 2). Now this vehicle has come back with a P0173. Verifed both sensors are capable of reading rich and lean. This vehicle is fine when cruising at low speeds and idle. Under acceleration oxygen sensors on bank #2 shift leaner and go to 0 volts and stay there. If yo... |
January 23, 2006 |
