OBD II Monitors

Had it to Ford this past week. They “flashed” the ECM and problem resolved. Fuel mileage returned… about 15 MPG… up from 9 MPG

Had it to Ford this past week. They “flashed” the ECM and problem resolved. Fuel mileage returned… about 15 MPG… up from 9 MPG

Which brand if you don’t mind telling.

“ELM”