2002 WinStar Checnk Engine Light is on

[DavidChen]

All,

My 2002 WinStar Checnk Engine Light is on for months. The manual said that check the following areas:
A. Poor quality of fuel
B. Gas cap is loose
C. Check mechnical

I have try A & B many times including good fuels & close gas cap.

However, the engine warning light still on.

Any sugestion?

Your inputs is appreciate.

David

[BCMedic]

We really need to know the exact code to pinpoint what help you may need.
Take it to AutoZone or a similar place that can scan the computer for no charge and then let us know.