DTC P1129 Audi
Long Term Fuel Trim at Rich Limit
Long Term Fuel Trim at Rich Limit
Description
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, the ground between the engine and the chassis must be well connected, the exhaust system must be properly sealed between the catalytic converter and the cylinde
Cause and Solution
Air intake system leaking, vacuum hoses leaking or damaged
Air leaks located after the MAF sensor mounting location
EGR valve sticking, EGR diaphragm leaking, or gasket leaking
EVAP vapor recovery system has failed
Video Guide
Diagnostic Info
- DTC Code: P1129
- Brand: Audi