Its a 1994 E350 extended van with raised roof, non turbo 7.3, e4OD, and had excellent maintenance it's entire life. 190K miles, rebuilt transmission. New injectors last week.
It was a sweet running vehicle, plenty of power and I had to stomp on the fuel to get even a little smoke.
Until yesterday...
and it's first time towing. 7000lb trailer, 6000 ft altitude, 20-30 knot headwinds, going up frequent small hills in the southern tip of the Rockies.
On the hills, it was 50mph max, regardless of throttle position or overdrive being on/off. Step on the gas and the only result was lots of black smoke. 30 miles of small hills, but when I hit the plains, I'd still get lots of black smoke trying to reach 55mph.
Today, with no trailer and the van empty, the van had a noticeable loss of power, increased vibration/noise and was smoking constantly on my usual daily routes, whereas it had never smoked before on these routes.
Your thoughts and suggestions?
It was a sweet running vehicle, plenty of power and I had to stomp on the fuel to get even a little smoke.
Until yesterday...
and it's first time towing. 7000lb trailer, 6000 ft altitude, 20-30 knot headwinds, going up frequent small hills in the southern tip of the Rockies.
On the hills, it was 50mph max, regardless of throttle position or overdrive being on/off. Step on the gas and the only result was lots of black smoke. 30 miles of small hills, but when I hit the plains, I'd still get lots of black smoke trying to reach 55mph.
Today, with no trailer and the van empty, the van had a noticeable loss of power, increased vibration/noise and was smoking constantly on my usual daily routes, whereas it had never smoked before on these routes.
Your thoughts and suggestions?