my 1998 chevy astro transmission surges, but not all the time,plus the po440 error code is on, are these connected. and I am still getting a po300 error code. I replaced plugs wires and cap and rotor twice. better stuff the 2nd time. what gives.
4.3 vortec 5speed s10 98 idle rising when truck coming to stop, cyl.#1 misfire and map/barp circuit...
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4.3 vortec 5speed s10 98 idle rising when truck coming to stop, cyl.#1 misfire and map/barp circuit high input pending codes from scanner at auto zone