1988 Mazda B2200 engine noise through radio

1988 MAZDA B2200
167,000 MILES • 4 CYL • 2WD • AUTOMATIC
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1988 Mazda B2200 truck 2.2 liter mileage: 167,000. I have notice that I am getting engine noise through my radio especially AM stations, and through my cigarette lighter when I plug in my cell phone or portable TV. Please help?
Dec 1, 2010 at 7:09 PM
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Check the ignition system with a close look at the distributor cap and rotor. If plug wires are old, replace them. If spark plugs are not the resistor type, try replacing them.
Dec 1, 2010 at 7:12 PM