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Home >> Chrysler >> 2004 >> Crossfire Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Electrical Diagnostics >> Diagnosis And Testing >> DTC P0221: Idle Speed Performance >> Diagnostic Test >> 2. Air Intake System

2. Air Intake System

Turn the ignition off.

Inspect the Air Intake System for the following problems.

Restrictions: Dirty Air Cleaner, Foreign material trapped in the air intake tube, etc.

Leaks: Air Intake tube connection, Air Cleaner housing, etc.

Remove the Air Cleaner Housing. See 3.2L V6 article. Remove MAF Sensor from the Throttle Body. See FUEL SYSTEM article.

Check for any signs of a foreign material causing the Throttle to remain open.

Were any problems found? 

  1. Yes  >> Repair or replace as necessary.

    See POWERTRAIN VERIFICATION TEST - VER 2  .

  2. No  >> Go To 3