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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Engine Controls - Tests W/Codes - EEC-IV (4.0L)) >> Circuit Tests >> Circuit Test DP - Vehicle Speed Sensor (VSS) >> Preliminary Instructions (A/T)

Preliminary Instructions (A/T)

WARNING: This page is about a different car, the 1995 Ford Explorer and 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.

Record and clear continuous memory codes. Warm engine to normal operating temperature. Place gear selector in Drive. Accelerate hard to 35 MPH and coast down to a stop. Shut off engine. Perform KOEO SELF-TEST. Go to step 1).