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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (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 Bronco. 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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