How to deal with Audi P0171 fault code? What would you do when you come across P0171 fault code? Go to the garage right away or do some DIY job with a proper tool? The following part leads a guide of the problem solving. What does your Audi like when appears the error code? Two usually symptoms may occur when the error displays. Your vehicle check engine light illuminates and fuel assumptions runs excessively. What may cause the P0171 fault code of Audi? There some possible causes which leads to the problem. 1 Fuel injection system does not operate properly. 2 The mixture ratio is too lean 3 Intake air leaks 4 Faulty fuel injectors 5 Exhaust gas leak 6 Incorrect fuel pressure 7 Faulty front heated oxygen sensor 8 Misfire 9 Faulty Mass Air Flow sensor … How do you deal with the problem? Using a diagnostic tool helps a lot to find out where the problem exits. For example, if the problem lies on the fuel injector, you have to get your fuel injector cleaned or replaced. If the problem caused by intake leak, you should replace the air filter and clean the air flow meter. Sometimes you may have to replace O2 sensor replaced instead. In conclusion, there is no definitely solution for the P0171 fault code unless you have tackled down where the problem exists. Audi diag tool options: 1 VAS 5054A VW Audi diagnostic tool http://www.eobd2.fr/vas-5054a-vw-audi-diagnostic-tool-426.html 2 VAG K+ CAN COMMANDER 3.6 Audi VW http://www.eobd2.fr/vag-k-can-commander-36-audi-vw-161.html 3 FVDI ABRITES Commander http://www.eobd2.fr/abrites-commander-for-vag-vw-audi-seat-skoda-fvdi-vagv180.html 4 U281 VW AUDI SEAT OBD2 CODE READER http://www.eobd2.fr/u281-vw-audi-seat-can-bus-obd-obd2-code-reader-scanner-596.html

1. Item No:
Link:
1 SP33
http://www.eobd2.fr/vas-5054a-vw-audi-diagnostic-tool-426.html
2 SV13
http://www.eobd2.fr/vag-k-can-commander-36-audi-vw-161.html
3 SV59
http://www.eobd2.fr/abrites-commander-for-vag-vw-audi-seat-skoda-fvdi-
vagv180.html
4 SC52
http://www.eobd2.fr/u281-vw-audi-seat-can-bus-obd-obd2-code-reader-
scanner-596.html
How to deal with Audi P0171 fault code?
What would you do when you come across P0171 fault code? Go to the garage right away or do
some DIY job with a proper tool? The following part leads a guide of the problem solving.
What does your Audi like when appears the error code?
Two usually symptoms may occur when the error displays. Your vehicle check engine light
illuminates and fuel assumptions runs excessively.
What may cause the P0171 fault code of Audi?
There some possible causes which leads to the problem.
1 Fuel injection system does not operate properly.
2 The mixture ratio is too lean
3 Intake air leaks
4 Faulty fuel injectors
5 Exhaust gas leak
6 Incorrect fuel pressure
7 Faulty front heated oxygen sensor
8 Misfire
9 Faulty Mass Air Flow sensor
…
How do you deal with the problem?
Using a diagnostic tool helps a lot to find out where the problem exits. For example, if the
problem lies on the fuel injector, you have to get your fuel injector cleaned or replaced. If the
problem caused by intake leak, you should replace the air filter and clean the air flow meter.
Sometimes you may have to replace O2 sensor replaced instead.

2. In conclusion, there is no definitely solution for the P0171 fault code unless you have tackled
down where the problem exists.
Audi diag tool options:
1 VAS 5054A VW Audi diagnostic tool
2 VAG K+ CAN COMMANDER 3.6 Audi VW
3 FVDI ABRITES Commander
4 U281 VW AUDI SEAT OBD2 CODE READER