Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to VERIFICATION TESTS for appropriate verification test procedures.

Check for any related TSBs.
NOTE: This code is enabled on engines with plastic intake manifolds and is intended to shut down the engine if a large crack occurs.

NOTE: A large vacuum leak is mostly the cause of this DTC.

Inspect the Intake manifold for vacuum leaks.

Inspect the Power Brake Booster for any vacuum leaks.

Inspect the PCV system for proper operation or any vacuum leaks.

Inspect the throttle body for carbon build up, other restrictions, and a bent throttle plate using a straight edge.

If the throttle plate does not close entirely it may be bent and needs to be replaced.

Improperly installed MAP Sensor.

Were any vacuum leaks found?
1. Yes --> Repair vacuum leak as necessary.
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .
2. No --> Refer to the SYMPTOM: INTERMITTENT CONDITION Symptom (Diagnostic Procedure).
  Perform POWERTRAIN VERIFICATION TEST VER - 5 .