OBD Codes List

Diagnostic reference · P0149

P0149

Fuel Timing Error

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

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

  1. Check the cam and crank sensor readings
  2. Verify base injection timing
  3. Inspect the timing chain or belt for stretch
  4. Verify the fuel type is correct
  5. Check the ECM timing control
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.