Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Verify that the engine is in good mechanical condition before continuing with this diagnostic.

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 moderate resistance on any IC control circuit can cause a misfire before DTC P0351-P0354 sets.
Extended engine cranking time, may foul the spark plugs with excessive fuel.