TEST
ACTION
APPLICABILITY
8
Turn ignition off.
Visually inspect the related wire harness connectors. Look for broken, bent,
pushed out, or corroded terminals.
Visually inspect the related wiring harness. Look for any chafed, pierced,
pinched, or partially broken wires.
Note: Make sure the Camshaft Position Sensor and/or the Crankshaft
Position Sensor is tight.
Note: Refer to any technical service bulletins that may apply.
Were any problems found?
All
Yes
→
Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
9
9
Turn the ignition off.
Disconnect and remove the crankshaft position sensor.
Inspect the tone wheel/flexplate slots for damage, foreign material, or excessive
movement.
Is the tone wheel/flexplate free from defects?
All
Yes
→
Go To
10
No
→
Repair/replace tone wheel/flex plate as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
10
If there are no possible causes remaining, view repair.
All
Repair
Replace the Crankshaft Position Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
176
DRIVEABILITY - GAS
P1398-MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT —
Continued