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Recreating the Fault

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Recreating the concern is the first step in isolating the cause of the intermittent symptom. A thorough investigation should start with the customer information worksheet . If freeze frame data is available, it may help in recreating the conditions at the time of a malfunction indicator lamp diagnostic trouble code (MIL DTC). Listed below are some of the conditions for recreating the concern:

CONDITIONS TO RECREATE FAULT

Engine Type Conditions Non-Engine Type Conditions
Engine Temperature Ambient Temperature
Engine RPM Moisture Conditions
Engine Load
Engine idle/accel/deceleration
Road Conditions (smooth-bumpy)