2004 f-150

I have a, california emission equipment, F-150. Engine lite is staying on. Ford dealer says it due to the fuel in Ar. Could replace senors but it will just do it again. Any thoughts on this?

Fuel used shouldn’t cause the Check Engine light to come on. E10 is E10.

Some parts stores will connect a code reader and pull codes for free. Do that first, record the code number and report back.


What Tester said.

Pull the codes. Dump the dealer. Find a good independent mechanic.

On my way to do that.