P0174 Diagnostic Trouble Code Discussion for August 2012
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2003 GMC Sierra 1500 SLE 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1GTEC14X43 P0174: Fuel Trim System Lean (Bank 2). replaced cmp, new plugs,cap,rotor,wires,fuel regulator. cuts out when flooring in park. will not accelerate over 40 mph. poor idle. still get p0101. Replaced maf no change. |
August 14, 2012 | |
| 2000 Chevrolet Express 3500 LS 5.7L Poor Idle Quality, MIL Lamp on VIN: 1GBJG31R3Y P0174: Fuel Trim System Lean (Bank 2). I have a problem, I am not sure what. Symptom was vehicle idling rough at times. Code was set for lean bank 2. I watched the scanner, and thought this was easy. The voltage on Bank 2 Sensor 1 would jump intermittently to 4 millivolts, and then back up to norma... |
August 16, 2012 | |
| 2000 Chevrolet Express 3500 LS 5.7L Poor Idle Quality, MIL Lamp on VIN: 1GBJG31R3Y P0174: Fuel Trim System Lean (Bank 2). I have a problem, I am not sure what. Symptom was vehicle idling rough at times. Code was set for lean bank 2. I watched the scanner, and thought this was easy. The voltage on Bank 2 Sensor 1 would jump intermittently to 4 millivolts, and then back up to norma... |
August 18, 2012 | |
| 2001 BMW 740i 4.4L MIL Lamp on VIN: WBAGG834X1 P0174: System too lean bank 2. I have smoked the system and found 2 leaks one from the breather valve that has the brake booster hose on it and the o-ring for the cam shaft sensor. I replaced both and both long term fuel trims go up past 20. I smoke tested after replacing the valve and the ... |
August 21, 2012 | |
| 2006 Jeep Commander 3.7L MIL Lamp on VIN: 1J8HG48K46 P0174: Fuel System Lean (Bank 2). ... This Jeep came in with both of the codes listed above 2 weeks ago. Basically long story short we found out alot previous repair history on this vehicle that the customer did not up front tell us of course.. It's throwing p0171 and p0174 codes- fuel trims a... |
August 28, 2012 | |
| 2005 Chevrolet Silverado 1500 LS 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GCEK13T25 P0174: Fuel Trim System Lean (Bank 2). The customer was on a road trip and the transmission went out. So he had a reman trans installed, when he got the truck back the check engine light was on. He said that the had never been on, he told the guy at the shop he "scanned" it and they told hi... |
August 29, 2012 | |
| 2004 Mazda MPV ES 3.0L MIL Lamp on P0174: Adaptive Fuel Trim Too Lean (Bank 2). I replaced bank 2 oxygen sensor. That was the first code it came in with. Since then after a few days, it came bank with a bank 1 and 2 lean. Both primary oxygen senors show very lean at idle, as soon as you raise the idle,they begin to respond more normally. ... |
August 29, 2012 | |
| 2001 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEFM55S51 P0174: System lean Bank 2. This one came to us with these lovely codes that no one else could fix and apparently not me either. I usually have pretty good luck with these on a Ford. Anyway the only problem is the lights, the car runs fine. Idle may be a bit on the high side cold (1400 a... |
August 29, 2012 | |
| 2006 Jeep Commander 3.7L MIL Lamp on VIN: 1J8HG48K46 P0174: Fuel System Lean (Bank 2). ... This Jeep came in with both of the codes listed above 2 weeks ago. Basically long story short we found out alot previous repair history on this vehicle that the customer did not up front tell us of course.. It's throwing p0171 and p0174 codes- fuel trims a... |
August 30, 2012 |
