1992 Mazda 929

Engine Performance problem
1992 Mazda 929 6 cyl Two Wheel Drive Automatic 157000 miles

1992 Mazda 929 car bucks and misfires after driving approximately 130 miles. After resting, engine works fine for a time and misfires again. Steps taken: replaced spark plugs and cables, fuel filter, distributor and rotor and ignition coil and module. Mechanics were unable to detect any problem.
July 17, 2008.

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