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454 Lack of uphill power

Home > Discussion Forum > Mechanic's Corner - Engines

Email Author email Rich P  Reply to Message reply to message  Post New Message post new message      search forums
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454 Lack of uphill power Rich P 8-2-08  
I just recently purchased a 1989 Pace Arrow. It is a 37' RV with a Chevy 454. I just took it on its 1st run and it lacks power going uphill. Which is a big problem here in Colorado. It has 57000 miles on it. The exhaust kinda stinks. When its under a load I can here an air noise pulsing from the front of the RV. But when I am running down the road on level ground it does fine. When going uphill I am lucky to do 15 to 25. Even on slight grades. Any help would be appreciated.

Rich.
Re: 454 Lack of uphill power rich. 8-3-08  
Have you changed the fuel filter---it should be on the right side frame rail---be sure it had new O-Rings--some didn't and they were on a recall list
rich in Va.
Re: 454 Lack of uphill power Rich P 8-3-08  
Thanks for the reply. No, I haven't replaced the fuel filter yet. I am going to do so ASAP. Is their a place to look up parts for my motor home? Or is their a truck that shares the same parts? Right now I pretty much just pull the part and go to NAPA with it for them to match. Their has to be a better way to go.

Rich.
Re: 454 Lack of uphill power Charles Smith 8-11-08  
Dear Sir,
I have a 1987 southwind 454 with heavy duty emissions. Can you tell me if this vehicle is suppose to have catalitic converters? My check engine continues to come on,my carb pops and backfires, is there something I'm missing on what to check. It runs great till the check engine light comes on, then runs ok when cruising, but give it some gas and the carb pops and spits, got me confused. Is my carb bad? Its a quadrajet 4 bbl. Lost for answers. Please help. Thanks. Charlie
Re: 454 Lack of uphill power Larry Prince 8-16-08  
My 1989 motorhome has 2 fuel pumps one on the engine one in the tank,engine is carburated the relay for the pump in the tank pack it in which gave me no power up hills on the flat it ran great
Re: 454 Lack of uphill power Charles Smith 8-12-08  
Dear Sir, I found out the the vehicle does not have catalytic converters. that solves one problem. checked under the rig tonight and found an inline fuel filter half way between the gas tank and the fuel pump. looks jery rigged, is it supose to be there? I'm gonna chance it, see what happens. still looking for answers. Thanks, Charlie
Re: 454 Lack of uphill power vic 9-5-08  
My 1992 454 in my motorhome has lost power and when under a load it knocks and pings. i replaced fuel filter and air filter. I also have banks system.
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