Aloha All,

I'm Working on this 3/4 Ton 4X4 That Will not give data, When driven it holds back like a clogged Cat But the Vacuum is high at 2500 rpm. We R&R the chain and gears (warn), IAC, TPS, MAP, ECM. When I Goose the throttle a large flame thru intake. S... Login to read more.