P0171 Diagnostic Trouble Code Discussion for December 2016
Fuel System Lean (Bank 1)
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0171
| Help Request | Posted | |
| 2007 Audi S4 4.2L MIL Lamp on VIN: WAUGL98E47 P0171: System lean bank 1. ... on and codes P0171 system lean bank 1 and P0175 system rich bank 2. It runs we fine. Lean one side and rich the other is a bit of an odd deal and I think I am missing something obvious. Using VCDS I Monitored group 32 i... |
December 06, 2016 | |
| 2013 Chevrolet Traverse LT 3.6L Stall, MIL Lamp on VIN: 1GNKRGKD7D P0171: Lean exhaust bank 1. ... with p0171 p0174 stored the van has new intake gaskets and new maf parts are from gm dealer and the problem still occurs. we can not find any vacuum leaks the readings dont make sense stft will be -25% ltft will be +40% or sometimes both will be around +25... |
December 15, 2016 | |
| 2006 Cadillac STS 4.6L MIL Lamp on VIN: 1G6DC67A56 P0171: Fuel Trim System Lean (Bank 1). map checked 1.9v on idle 4v under 3000rpm, fuel trims a maxed out to 30% wil go down to 20 under 3000rpm and the only time when trims will set to 0 ballance is under snap throtle. Car doesn't show any symptoms of a lean condition. Codes present and everything ... |
December 26, 2016 | |
| 2006 Toyota Corolla S 1.8L MIL Lamp on VIN: 1NXBR32E96 P0171: Fuel System Too Lean (Bank 1). Hello i need help on this one i tried to trace the lean condition with no luck sft 22% lft 29% all the time maf 1.23 g/s at idle 2.60 at 1500 and 5.6at 2800 rpm anyway cleaned maf clv is 85% ,smoke test revealed intake gasket i replaced and retest no leaks run... |
December 30, 2016 |
