Having problems with your 1997 Ford Aerostar Extended ?
1997 Aerostar 4 liter engine has miss on several cylinders. New wires and plugs. Miss is intermintent. Usually worse under load. At times van runs fine.
Check for vacume leaks on intake and other vacume hoses. random misfire is also usually a clogged fuel filter or pressure regulator. could also be a cam or knock sensor. are their any trouble codes.
Repair Help & Product Troubleshooting for 1997 Ford Aerostar Extended
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