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P0171 Diagnostic Trouble Code Discussion for July 2008

Fuel System Lean (Bank 1)

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Trouble Ticket Help Requests for DTC P0171
Help Request Posted
2001 Nissan Sentra GXE 1.8L No Start, Misfire VIN: 3N1CB51D81
P0171: Fuel Trim Lean. This car came to us with a bad misfire/ ses light on/ no power. The first test was to check for codes and only found a history code for running too lean. Fuel pressure was up and volume seemed fine. I then checked exhaust backpressure and found possibly a smal...
July 07, 2008
2002 Kia Sedona EX 3.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Poor Fuel Economy, MIL Lamp on VIN: KNDUP13182
P0171: Fuel System Too Lean (Bank 1). Am having trouble pinnng down the problem with this van. The van has a real hesistation almost like it is cutting out under load. Have read some of the fixes that other people have posted and am leaning to a couple possibilities. Have checked the MAF and air i...
July 21, 2008
2000 Nissan Maxima GLE 3.0L lack of power VIN: JN1CA31A4Y
P0171: Fuel Trim Lean (Bank 1). this maxima runs okay until you try to hit passing gear at cruise. It will kick down but the rpms fly up to 4000 rpm and the car does not feel as if it is accelerating...Take foot of gas pedal and it will have a very hard upshift. The scanner does not show any...
July 25, 2008
2002 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M82
P0171: system lean. I have this vw that keeps showing lean. replaced some bad hoses coming off the breather and the ones going to pcv. checked rest of hoses and also smoked checked it after. I have some sort of internal vacuum leak. I had smoke coming through valve cover and oil ...
July 25, 2008
1997 Chevrolet Tahoe 5.7L Hesitation, MIL Lamp on VIN: 3GNEK18R6V
P0171: Fuel Trim System Lean (Bank 1). ... has for some time. It doesn't run so bad that its undrivable just bad enough that you can tell somethings wrong. The check engine light was on so I pulled code and got the p0171, p0174 (both banks lean). Checked fuel pres...
July 31, 2008