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6A–9 ENGINE MECHANICAL (6VD1 3.2L) Condition Correction Possible cause Hesitation at high speeds Powertrain Control Module defective Replace Throttle Position Sensor cable Correct or replace Throttle Position Sensor defective Replace Engine Coolant Temperature Sensor Correct or replace Engine Coolant Temperature Sensor Replace Mass Air Flow (MAF) Sensor circuit Correct or replace Mass Air Flow (MAF) Sensor Replace MAP Sensor cable broken or poor Correct or replace MAP Sensor defective Replace IAT Sensor circuit open or poor Correct or replace IAT Sensor defective Replace ION Sensing Module circuit open or Correct or replace ION Sensing Module defective Replace Throttle valve not fully opened Check and correct or replace Air Cleaner Filter clogged Replace filter element Power supply voltage too low Check and correct or replace |