try these folks maybe. i dumped the OEM on my e350 and put in a HUGE replacement. my injectors and starter just perked right up, faster starts, quieter, just don't forget to upgrade the wiring. i wnet 2/0 wleding cable and soldered connections...
i read somewhere that sometimes the programming needs to be redone after a repair. the post said hold the switch in the down position for at least 10 seconds to reset auto down, same goes for up... hope it helps
i just finished upgrading the stock wiriong on my truck to 2/0 welding wire to my 3 parallel connected 1300AH interstates. the old set
(wired with #6cu) lasted over 10yrs, after i moved them inside the van. i had a 200 amp alternator in early in 2008 but did not upgrade the wirs, and had it...
i meet all your needs. i have a 2008 e350 diesel stock which i never have run synth in. i change all filters and oil at 3k like religion. i already have a Futomo valve installed as i drain and top off a quart every 1k miles and replace with
de stiction eliminator. i use 4 quarts of Risolene...
I had my alternator go out on my E350 and it turns out that there is a large case vs small case issue on these alternators the later ones being smaller case I think they call it a 3C but there's a larger case called 6a something case using the same pulley and I was able to get two hundred amp...