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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Mechanical (VIN A) (4 Of 6)) >> Engine Tune-Up [PYUL] >> Perform Engine Tune-Up >> Engine tune-up preparation

Engine tune-up preparation

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If the accelerator pedal is depressed continuously for a specified time, the engine speed may decrease to the idle speed. This is due to the fuel cut control operation, which prevents overheating, and this does not indicate a malfunction. The engine control returns to normal when the accelerator pedal is released.
  1. Connect the M-MDS to the DLC-2.
  2. Verify that the selector lever is in the P or N position.
    NOTE:
    • The engine coolant temperature and oil temperature can be verified by the M-MDS PIDs ECT and OIL_TEMP.
  3. Run the engine speed at a constant 2, 500 to 3, 000 rpm and warm up the engine (engine coolant temperature: 80°C {176°F} or more, oil temperature: 60°C {140°F} or more).
  4. Turn off all electrical loads with the engine idling.
  5. If the cooling fan is running, wait until it stops running.
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