P0169 - Incorrect Fuel Composition

System Information

Some vehicles may run on a mixture of different fuels and the ECM will use a sensor to check that the mixture of the fuels is at the correct ratio

Fault Code Explained

The ECM has detected that the ratio of the fuel mixture is incorrect

Recommended Tests

Due to the variety of possible systems and components it is recommended to follow the manufacturers recommended test plan when diagnosing this fault code