1998 Ford Windstar Q&A

1998 Ford Windstar Question: Drive for 12 miles and Loose power going up hill

After drive for 12 miles get to up hill and loose power and front catalytic converter on the front turns red -
Answer 1
No power loss at say 4 mlles? Light on? Any engine work lately like maybe crank angle sensor that would affect timing? If cat. were restricted should do it from the start! Let a mechanic check it out!! -