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P0171 Diagnostic Trouble Code Discussion for June 2012

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on VIN: 5TDZA23C46
P0171: Fuel System Too Lean (Bank 1). ... Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 hole, to see if miss changed cy...
June 01, 2012
2004 Kia Rio 1.6L Poor Idle Quality VIN: KNADC12554
P0171: Fuel System Too Lean. Hello IATN, I have a 2004 Kia Rio with a surging idle. This car has been an issue for a while now with running rough and throwing O2S codes. The customer brought it back to us earlier in the week and couldn't drive over 20MPH. Brought the car in and scaned it ...
June 02, 2012
2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on VIN: 5TDZA23C46
P0171: Fuel System Too Lean (Bank 1). ... Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 hole, to see if miss changed cy...
June 07, 2012
1999 Lexus RX300 3.0L MIL Lamp on VIN: JT6HF10U6X
P0171: system too lean. this truck got a p0171 code after the customer buy it (10 min later) so for the first time a cleared the code did a tune up spark plug timing belt water pump ,and let the customer go whit that.the light come on again the guy go to the dealer and they changed t...
June 08, 2012
2007 Chevrolet Impala LTZ 3.9L Poor Idle Quality VIN: 2G1WU58RX7
P0171: Fuel System Lean. ... for engine light and found p0171 and c0561 just about to do a smoke test but found the air ducting from the throttle body to air filter box was rip so replaced it. but before closing everything together decided to clean the throttle body after the job was ...
June 16, 2012
2002 Ford Ranger XL 2.3L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1FTYR10D62
P0171: System lean. Vehical has no power and smells like raw fuel. The fuel trims are very high.
June 25, 2012
2002 Ford Ranger XL 2.3L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1FTYR10D62
P0171: System lean. Vehical has no power and smells like raw fuel. The fuel trims are very high.
June 26, 2012
2002 Mazda Protege5 2.0L Surge, MIL Lamp on VIN: FFJNFVDSG2
P0171: Adaptive Fuel Trim Too Lean (Bank 1). this one is driving me up a wall. came in with the map /pressure sensor disconnected.and the tank pressure sensor connecter at sender not plugged in all the way. and a missfire coade on cyl 1 from a plug wire that was not plugged in all the way and the lean co...
June 27, 2012
1998 Toyota Camry CE 2.2L Excessive Emissions, Poor Fuel Economy VIN: JT2BG22K1W
P0171: Fuel System Too Lean (Bank 1). ... smog gross polluter, p0401 to low egr signal, install egr vsv and cat that took care og problem tretest car twice one pass emissions and fail monitors, the other test pass over all, customer took test on test only center and fail,gross polluter on co 7% , ...
June 27, 2012
2002 Mazda Protege5 2.0L Surge, MIL Lamp on VIN: FFJNFVDSG2
P0171: Adaptive Fuel Trim Too Lean (Bank 1). this one is driving me up a wall. came in with the map /pressure sensor disconnected.and the tank pressure sensor connecter at sender not plugged in all the way. and a missfire coade on cyl 1 from a plug wire that was not plugged in all the way and the lean co...
June 28, 2012
2004 Pontiac Vibe 1.8L MIL Lamp on VIN: 5Y2SL628X4
P0171: Fuel Trim System Lean. ... intermitant rough idle. P0171 continues to return, freeze frame data shows low RPM loaded with speeds from 10 -40 mph with stft of 5-10% and ltft of 30-40% when setting code. O2 sensors are both active. We have flushed injectors with Wynns fuel system clea...
June 28, 2012
1998 Toyota Camry CE 2.2L Excessive Emissions, Poor Fuel Economy VIN: JT2BG22K1W
P0171: Fuel System Too Lean (Bank 1). ... smog gross polluter, p0401 to low egr signal, install egr vsv and cat that took care og problem tretest car twice one pass emissions and fail monitors, the other test pass over all, customer took test on test only center and fail,gross polluter on co 7% , ...
June 28, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTPW14534
P0171: System lean b1. ... exhaust manifold P0171?? The running problem starts after the engine warms up. There was a P0022 code stored, I swapped the VCT solenoids bank to bank, cleared codes, and road tested. The P00...
June 29, 2012