DTC P0171 FUEL INJECTION SYSTEM FUNCTION
Trouble diagnosis name - Fuel injection system too lean
DTC detecting condition:
- Fuel injection system does not operate properly.
- The amount of mixture ratio compensation is too large. (The mixture ratio is too lean.)
Possible cause:
- Intake air leaks
- Heated oxygen sensor 1
- Injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Manifold absolute pressure sensor
- Incorrect PCV hose connection
причин - море
