P0171 Diagnostic Trouble Code Discussion for July 2004
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2001 Chevrolet S10 4.3L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCDT19WX1 P0171: Fuel System Lean. Hello everyone, This truck has an intermittent problem. The symptoms it displays are: Cold start normal, once it warms up it idles normally, in gear or park. Once you drive it after a short while it will start to cut out at cruise but only occasionally, droppi... |
July 06, 2004 | |
| 1999 Acura CL Premium 3.0L Hesitation, MIL Lamp on VIN: 19UYA2253X P0171: Fuel System Too Lean (Bank 1). We performed MotorVac March 2004. A fuel leak onto the coil started a fire which was put out immediately--within 15 seconds. We informed customer within minutes, inspected fire area only to find NO components were affected. The car ran much better and customer... |
July 07, 2004 | |
| 2000 Toyota Celica GT 1.8L Hesitation, MIL Lamp on VIN: JTDDR32T9Y P0171: Fuel System Too Lean (Bank 1). ... of hard start and lose of power while accelerating and check engine light. Found code P0171, System to lean bank #1. With engine running, it sounds like a vacumn leak coming from the intake area and when you tap the throttle, there is flat spot off idle.... |
July 08, 2004 | |
| 1996 Ford Thunderbird LX 3.8L Hesitation, Cuts out, MIL Lamp on VIN: 1F4LP6244T When test drove car lost power on uphill grade and on a wot car fell flat and no acel. Pops back through intake on wot. Good spark and fuel press. O2 sensors are white and powdery plugs are burning lean. |
July 09, 2004 | |
| 1998 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: JT3XP10V1W P0171: Fuel System Too Lean (Bank 1). ... have this rav4 for about 2 weeks This thing starts to run rich but we have a lean code.We saw the Air fuel ratio stuck at about 650mv tested it with snap-on vantage scope.Did not respond too test so we replaced it.Found Tsb For updated sensor in alldata so... |
July 13, 2004 | |
| 1998 Toyota RAV4 2.0L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: JT3XP10V1W P0171: Fuel System Too Lean (Bank 1). ... have this rav4 for about 2 weeks This thing starts to run rich but we have a lean code.We saw the Air fuel ratio stuck at about 650mv tested it with snap-on vantage scope.Did not respond too test so we replaced it.Found Tsb For updated sensor in alldata so... |
July 15, 2004 | |
| 1998 Pontiac Grand Am SE 2.4L Excessive Emissions, Surge, Poor Fuel Economy, MIL Lamp on, STFT <FT CRAWL UP VIN: 1G2NE52T8W P0171: Fuel System Lean. College girls car, came in with mil codes are above. Can't figure out what is skewing the load calc. as it is 22% at idle baro seems right for sea level (HOU TX) Map seems to be working. Remember this is speed density-no maf.Maf on scanner is 5 gm/sec.both o2s... |
July 31, 2004 |
