STEP 1. Check whether air is included due to the lack of fuel or not
STEP 2. Check the EGR system
STEP 3. Using scan tool (M.U.T.-III), check data list item 2: Crankshaft Position Sensor.
STEP 4. Using scan tool (M.U.T.-III), check data list item 26 <bank 1> and 27 <bank 2>: Long-Term Fuel Trim.
STEP 5. Using scan tool (M.U.T.-III), check data list item 28 <bank 1> and 29 <bank 2>: Short-Term Fuel Trim.
STEP 6. Check the each ignition coil spark.
(1) Remove the intake manifold.
(2) Remove the ignition coil.
(3) Remove the spark plug and connect to the ignition coil.
(4) Ground the spark plug side electrode securely.- When the engine is cranked, the spark plug should spark.
Did it spark?
Go to Step 8. Go to Step 7.
STEP 7. Check the spark plugs.
STEP 8. Check the following items.
STEP 9. Check the trouble symptoms.
STEP 10. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 15 . (2) Check the diagnostic trouble code (DTC).
Is DTC P0300 set?
Retry the troubleshooting. The inspection is complete.