we have a pds cart that acting funny need a little help. the cart will start off well, but then will slow to a crawl. it will mov but very slow. where do we loo? the solenoid is warm if not hot to touch. we changed it, but the cart has same problem. if you hold the gas peddle down the cart slows ,brakes hard ,then speeds up. is this bad controller. bad batteries 6-6.0, throttle sensor,bad wire. we run the test 2-3 code comes up. i don't under stand what is telling me.please any info would help bcgc