P0149
Fuel Timing Error
What it means
P0149 means Fuel Timing Error.
Check these first
- Incorrect injection timing
- A faulty cam or crank sensor
- A stretched timing chain or belt
- A faulty ECM timing control
- An incorrect fuel type
What to do next
- Check the cam and crank sensor readings
- Verify base injection timing
- Inspect the timing chain or belt for stretch
- Verify the fuel type is correct
- Check the ECM timing control
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.