P0169
Incorrect Fuel Composition
Generic code
Fuel and Air Metering
High severity
Hard repair
Free on OBD DashX
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What P0169 means
- The fault code P0169 indicates that there is an issue with the fuel composition sensor circuit. This fault code means that the fuel composition sensor has detected that the fuel being used is not the same as the fuel type that is programmed in the Engine Control Module (ECM).
Possible symptoms
- Illuminated check engine light
- Reduced engine power or acceleration
- Increased fuel consumption
- Engine may not start
- Engine may stall or run poorly.
Possible causes
- Faulty Fuel Composition Sensor
- Incorrect Fuel Type Used
- Wiring issues in the Fuel Composition Sensor Circuit
- Damaged or Corroded Electrical Connections
Related parts
- Engine Coolant Temperature Sensor: The coolant temperature sensor measures the temperature of the engine coolant. Problems lead to engine overheating
- Intake Air Temperature: Intake Air Temperature Sensor measures the temperature of air at which it is taken into the engine. Problems lead to engine stalling, lack of power and engine noises
Possible solutions
- Replace the faulty Fuel Composition Sensor
- Use the correct fuel type
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
Free on OBD DashX
P0169 on OBD DashX
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