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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 765 (Engine Controls - Powertrain DTC Charts & Description (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0234: Supercharger Overboost Condition

DTC P0234: Supercharger Overboost Condition

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0234 - SUPERCHARGER OVERBOOST CONDITION

Description:  The powertrain control module (PCM) disables (bypasses) the supercharger boost and sets a DTC to prevent damaging the powertrain (engine or transmission) during potentially harmful operating conditions.
Possible Causes: 
  • Engine over temperature
  • Ignition misfire exceeds the calibrated threshold
  • Fuel or fuel system concern.
  • High or low IAT2 sensor reading.
  • Damaged IAT2 sensor
Diagnostic Aids:  Check for other DTCs accompanying the P0234, or check appropriate and available PIDs related to possible causes.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to KJ: Supercharger Bypass Control STEP KJ1.
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