All ActivityMost RecentMost LikesSolutionsRe: 1997 Winnabego Brave with chevy 454well update it is fixed after all that it was both catalytic converters were clogged up thanks everyoneRe: 1997 Winnabego Brave with chevy 454we had the fuel pressure checked it is fine goes up with increase Throttle have only found one fuel filter took it off changed it to being with has me stumped cause it starts with just turning the key and idles smooth even with increase in throttle but put it in gear and done the mechanic now thinks it`s a vacuum leak he is checking that also says maybe a lobe on the cam is bad I have a hard time believing that with the way it idles wanting him to check the throttle body sensor the bill keeps going up hoping he finds it soon or I will have a nice RV for sale lol I will keep you posted what we find out thanks for the feedback1997 Winnabego Brave with chevy 454I am having a problem and have spent several $1000`s of dollars and no one can figure it out I even had to tow it 200 miles home I have a 31 foot brave with a chevy 454 in it problem is I was on a trip 680 miles into it with no problems stopped in Indiana got gas and then it started it ran fine then lost all power slowing me down to 10-15 mph changed the fuel filter and mass air flow sensor it idles great starts right up you don`t even have to step on the gas pedal rev it up does great put it in gear and your done it spits and spudders and chokes you out with the rich smelling fumes you can not go over 10-15 mph anyone else ever had this problem or no what can be the problem I only have 34,000 miles on the rv thanks for any help I am ready to get back to rv`ing