P0171 Diagnostic Trouble Code Discussion for July 2016
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2007 Lincoln Town Car Executive 4.6L MIL Lamp on, VIN: 1L1FM88W37 P0171: Fuel system too lean Bank 1. ... and P0174 lean condition on both banks ,I believe the only thing i haven't done is replace the computer, all my readings are according at the specifications, no vaccum leaks i smoke the intake few times thinking were probably i could miss something but no ... |
July 06, 2016 | |
| 2004 Kia Sorento EX 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KNDJD73334 P0171: Fuel System Too Lean (Bank 1). Engine feels like it is under powered and will set the two leans codes within a few miles. It also has a rough idle. Odometer reading 201,000 miles: Freeze frame data: 2547 rpm, temperature 186 degrees, short term fuel trim bank 1 6.3, long term fuel trim bank... |
July 08, 2016 | |
| 2002 Chevrolet Prizm 1.8L MIL Lamp on VIN: 1Y1SK528X2 P0171: lean fuel bnank 1. this car came in with a no power complaint I could hear a vacuum leak replaced intake manifold gasket and cleared codes and that got rid of the vacuum leak but I still have a real bad flat spot on acceleration |
July 13, 2016 | |
| 2000 Ford F-250 Super Duty Lariat 5.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTNX20L5Y P0171: system too lean bank 1. ok truck is running rich, you can smell it from the tail pipe and its backfiring, fuel trim is 25- on bank one and drops to 0 under load and fuel trim on bank 2 is 25+ and drops down to 0 under load as well, problem is intermittent, I pulled the vacuum hose of... |
July 13, 2016 | |
| 2004 Kia Rio 1.6L MIL Lamp on VIN: KNADC12594 P0171: Fuel System Too Lean. ... this is long. This Kia has been setting P0171. On first inspection, I had found a crack in the intake boot. Thinking that was it, I replace it and send it on its way. Comes back a few days later, MIL on, P0171 again. So I smoke the intake and my machine st... |
July 13, 2016 | |
| 2001 BMW 325Ci 2.5L lean run VIN: WBABS33401 ... P0174 P0171. Smoked engine and intake system no leaks, removed oil filler cap little or no vacume at cap but changed vent valve and hoses anyway. Changed Air mass meter, air filter, and both front O2 sensors. The secondary... |
July 15, 2016 | |
| 2008 Chrysler 300 Touring 3.5L Excessive Emissions, No Start, Poor Idle Quality, MIL Lamp on VIN: 2C3KA53G48 P0171: Lean. Customer stated they fueled up drove 5 miles home shut car off came out next morning and car would not start or if it did start idle was all over the place and then would die, puking white smoke out tailpipe. I tried to start it at shop and feathering the thro... |
July 19, 2016 | |
| 1997 Ford Ranger Splash 2.3L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1FTCR10A3V P0171: BNK 1 system too lean. ... this truck came in shortly after customer purchased it was running extremely rich,"burning eyes rich" black smoke, ran rough the MAF at that time was reading 10.97gm/s and the injector pulse width was as high as 20ms @ idle. after replacing the MAF... |
July 26, 2016 | |
| 2001 Toyota Corolla CE 1.8L Hesitation VIN: 1NXBR18E51 P0171: Fuel System Too Lean (Bank 1). to Toyota gurus out there. got this corolla that's pulling my hair. it backfires and bogs down and falls on it's face when you accelerate. idles fine. when you let it idle for a while and drive it, it get's better, but if you snap the throttle it starts to bri... |
July 27, 2016 |
