Re: Maintenance
Sounds like you may have 2 problems. If your batteries keep dying you need to check for parasitic draw on the electrical system. Should have no more than 30 or so mA draw. Aftermarket electronics can cause big draws if not installed correctly. As for stalling and sputtering, it would be a good idea to scan for any codes, if air is getting in fuel system, you need to find the leak. How much fuel in the tank when this happens? I had one truck with a pinhole in the pickup tube in the tank, once down to just past half a tank of fuel it would allow air in and cause the same issure your having.
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