Cause
| Correction
|
Worn, damaged, or improperly installed accessory drive belt - severe cracking, bumps or missing segments
A misfire DTC may be present without an actual misfire condition.
|
| • | Inspect the accessory drive system components. |
|
Worn, damaged, or improperly installed accessory drive system components
A misfire DTC may be present without an actual misfire condition.
|
| • | Inspect the accessory drive system components. |
| • | Repair or replace damaged components as required. |
|
Worn, damaged, improperly installed or loose crankshaft balancer
A misfire code may be present without an actual misfire condition.
|
| • | Inspect the crankshaft balancer. |
|
Worn, damaged, improperly installed or loose engine flywheel
A misfire code may be present without an actual misfire condition.
|
| • | Inspect the engine flywheel. |
|
Worn, damaged or improperly installed piston
Pistons must be installed with the mark, or dimple, on the top of the piston, facing the front of the engine; piston pins must be centered in the connecting rod pin bore.
Oil consumption may or may not cause the engine to misfire.
|
| • | Inspect the cylinder bores. |
| • | Inspect the piston pins. |
| • | Inspect the connecting rods. |
| • | Repair or replace damaged components as required. |
|
Worn, damaged or improperly installed crankshaft thrust bearing
A misfire code may be present without an actual misfire condition.
|
| • | Inspect the crankshaft. |
| • | Inspect the crankshaft thrust bearing. |
| • | Repair or replace damaged components as required. |
|
