Circuit/System Verification

Observe the Engine Controls Schematic for the ignition coils/modules, and review the Ignition System Specifications and the spark plug inspection procedure to verify the following:

• The ignition coil/modules are correctly connected
• The proper firing order
• The proper spark plug type
• The proper spark plug gap and torque

  Refer to Ignition System Specifications and Spark Plug Inspection .

• A high resistance on any IC control circuit can cause a misfire before DTC P0351-P0354 sets.