STEP 1. Check whether air is included due to the lack of fuel or not.
STEP 2. Using scan tool MB991958, check data list item 2: Crankshaft Position Sensor.
caution | To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958. |
(1) Connect scan tool MB991958 to the data link connector.
(2) Start the engine and run at idle.
(3) Set scan tool MB991958 to the data reading mode for item 2, Crankshaft Position Sensor.- The tachometer and engine speed indicated on the scan tool should match.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the sensor operating properly?
Go to Step 3. Refer to, DTC P0335 - Crankshaft Position Sensor Circuit .
STEP 3. Using scan tool MB991958, check data list item 26: Long-Term Fuel Trim.
STEP 4. Using scan tool MB991958, check data list item 28: Short-Term Fuel Trim.
STEP 5. Visual check of ignition spark.
(1) Remove the spark plug and install it to the ignition coil.
(2) Connect the ignition coil connector.
(3) Disconnect all injector connector.
(4) At the engine start, check each spark plug produces a spark.
Did it spark?
Go to Step 7. Go to Step 6.
STEP 6. Check the spark plugs.
STEP 7. Check the following items.
STEP 8. Check the trouble symptoms.
STEP 9. 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.