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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Engine Controls - Tests W/O Codes - EEC-IV) >> Symptoms >> Spark Knock >> Preliminary Checks

Preliminary Checks

WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford F-Super Duty, and 1995 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Check vacuum hose routing. Check for restricted air filter. Check fuel quality (octane, winter/summer grade fuel, methanol, etc.).

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