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Home >> Chrysler >> 2004 >> Crossfire Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Electrical Diagnostics >> Diagnosis And Testing >> DTC P0173: Fuel System 2/1 Rich Control Over Limit (At Load) >> Diagnostic Test >> 7. Engine Mechanical Problem

7. Engine Mechanical Problem

Turn the ignition off.

Check for any of the following conditions/mechanical problems.

  1. AIR INDUCTION SYSTEM - must be free from leaks.
  2. ENGINE VACUUM - must be at least 13 inches in neutral
  3. ENGINE VALVE TIMING - must be within specifications
  4. ENGINE COMPRESSION - must be within specifications
  5. ENGINE EXHAUST SYSTEM - must be free of any restrictions or leaks.
  6. ENGINE PCV SYSTEM - must flow freely
  7. TORQUE CONVERTER STALL SPEED - must be within specifications
  8. POWER BRAKE BOOSTER - must not have any internal vacuum leaks
  9. FUEL - must be free of contamination
  10. FUEL INJECTOR - must not have a plugged or restricted injector; or control wire not connected to correct injector

Are there any engine mechanical problems? 

  1. Yes  >> Repair as necessary.

    See POWERTRAIN VERIFICATION TEST - VER 2  .

  2. No  >> Go To 12 
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