STEP 1. Using scan tool (M.U.T.-III), read the diagnostic trouble code (DTC).
caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
(1) Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) . (2) Turn the ignition switch to the "ON" position.
(3) Read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the diagnostic trouble code other than P219B set?
Refer to Diagnostic Trouble Code Chart . Go to Step 2.
STEP 2. Check the left bank ignition coil spark.
(1) Remove the ignition coil.
(2) Remove the spark plug and connect to the ignition coil.
(3) Ground the spark plug side electrode securely.- When the engine is cranked, the spark plug should spark.
Did it spark?
Go to Step 3. Refer to Symptom Procedure - Ignition Circuit System .
STEP 3. Check the compression.
STEP 4. Check the left bank injector.
STEP 5. Check the intake manifold, intake manifold plenum and the intake ports contamination.
STEP 6. Check for foreign matter being around the intake and exhaust valves.
STEP 7. Check of harness damage in LHFL, LRL, LSFL, LEFL and LPFL line between left bank linear air-fuel ratio sensor and ECM connector.
STEP 8. Replace the left bank linear air-fuel ratio sensor.
(1) Replace the left bank linear air-fuel ratio sensor.
(2) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 26 . (3) Check the diagnostic trouble code (DTC).
Is DTC P219B set?
Go to Step 9. The inspection is complete.
STEP 9. Replace the left bank injector.
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 26 . (2) Check the diagnostic trouble code (DTC).
Is DTC P219B set?
Retry the troubleshooting. The inspection is complete.