have a 1988 D21 pick up, drove it for 600 miles one day then it started spitting n sputtering, Changed the mass, air senor still does it any help?
we need to see your trouble codes before replacing anything else~ the obd port is located within three feet of the ignition switch....read the trouble codes, then share them with us please~ most auto parts stores will send someone out to read them for FREE~
you have a Weber 720 carburetor?
Not sure on that
the trouble is that it's so old
it has a self tester under the seat and the only code (light) that blinked was a solid red
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