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  1. 1994 b4000 idle/rev issue

    1994 Mazda b4000 4x4 216,xxx No mechanical issues other than a leaky break hose and one I can't figure out, on occasion when stopped or on neutral the rpms jumps and the engine revs, like if the brake weren't depressed or it was out of gear it would lurch forward, like...vuh! Buhbuhbuhbuh vuh...