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Home › Isuzu › 2004 › Axiom Base, 4WD › Repair and Diagnosis › Engine Performance › System › Engine DRIVEABILITY And Emissions - DTC P1237 To DTC U2104 › DTC P1521: Commanded versus Actual Throttle Position Correlation Small Stop Close › Conditions For Setting The DTC

Conditions For Setting The DTC

The ignition is "ON".