RPMs dropping uphill, Ford f-450
We are experiencing odd vehicle problems and were wondering if anyone has any ideas. When going uphill (~5% grade @2500 ft above sea level), the rpms slowly decline, pedals wide open throttle. Dual co...
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That's a pretty camper even for an F450. You're bound to slow down on most grades.
Like others have stated I would start with making sure the air filter and both fuel filters have been changed recently. Dirty filters will restrict the engine ability of making it's full power.
The noise and vibration are probably the engine cooling fans kicking in high. They are pretty large and make a lot of noise if pulling really hard.
Like others have stated I would start with making sure the air filter and both fuel filters have been changed recently. Dirty filters will restrict the engine ability of making it's full power.
The noise and vibration are probably the engine cooling fans kicking in high. They are pretty large and make a lot of noise if pulling really hard.
