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EMISSION CONTROL TSB Revision ENGINE AND EMISSION CONTROL 17-90 <3.8L ENGINE> COMPONENT LOCATION M1173007600213 EGR VALVE (STEPPER MOTOR) CHECK M1173050200123 Required Special Tool: . Checking the Operation Sound 1. Check that the operation sound of the stepper motor can be heard from the EGR valve when the ignition switch is turned 2. If the operation sound cannot be heard, inspect the drive circuit of the stepper motor. NOTE: If the operation sound is not heard, and the circuit is . AK203696 AC MASS AIRFLOW ENGINE COOLANT CRANKSHAFT POSITION PCM MFI RELAY BATTERY EGR VALVE AK303007AB EGR VALVE AK303008 BRAKE FLUID EGR VALVE AB |