OK:
Spark jumps across electrode gap.
(6) Reconnect the 6 fuel injector assembly connectors.
(7) Reinstall the ignition coil assembly.
NG -- CHANGE TO KNOWN GOOD IGNITION COIL ASSEMBLY AND CHECK SPARK OF MISFIRING CYLINDER
OK -- REPLACE SPARK PLUG See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair/Removal
32. CHANGE TO KNOWN GOOD IGNITION COIL ASSEMBLY AND CHECK SPARK OF MISFIRING CYLINDER
(a) Change the installed ignition coil assembly to a known good ignition coil assembly.
(b) Perform a spark test.
CAUTION:
During the test, disconnect all fuel injector assembly connectors.
NOTICE:
Do not crank the engine for more than 2 seconds.
(1) Remove the ignition coil assembly from the cylinder head.
(2) Install the spark plug onto the ignition coil assembly.
(3) Disconnect the 6 fuel injector assembly connectors.
(4) Touch the spark plug to the cylinder head.
(5) Crank the engine for less than 2 seconds and check for spark.
OK:
Spark jumps across electrode gap.
(6) Reconnect the 6 fuel injector assembly connectors.
(7) Reinstall the ignition coil assembly.
NG -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and
Repair/Removal
OK -- REPLACE IGNITION COIL ASSEMBLY See: Powertrain Management/Ignition System/Ignition Coil/Service and
Repair/Removal
33. CHECK FUEL LINE
(a) Check the fuel lines for leaks or blockage.
NG -- REPAIR OR REPLACE FUEL LINE
OK -- REPLACE FUEL PUMP See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Service and
Repair/Removal and Replacement/Removal
Part 1
2GR-FE ENGINE CONTROL: SFI SYSTEM: P0300-P0306: Random / Multiple Cylinder Misfire Detected
P0306 - Cylinder 6 Misfire Detected
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