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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 (TPS) cable Correct or replace TPS defective Replace Engine Coolant Temperature (ECT) Correct or replace ECT Sensor defective Replace Mass Air flow (MAF) Sensor circuit Correct or replace MAF Sensor defective 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 KS circuit open or poor connections Correct or replace KS defective Replace KS Module circuit open or shorted Correct or replace KS 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 |