my 4x4 Chevy truck motor is sputtering so I put new spark plugs ,new plug wires and cap with rotor and no change still spuddering.
Have you checked the fuel pressure and for trouble codes?
how do I check fuel pressure? What are trouble codes? I'm a rookie at this. Please help.
Ok then I would suggest that you check out You Tube, there is all kinds of videos on how to pull the codes from your obd1 GM product and how to get fuel pressure readings, but you will need a fuel pressure testing set of tools fittings and gauges, harbor freight did have them at one time. HTH
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