NOTE:
The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
For precision fit, new pistons are divided into 3 categories within each size range based on their relative position within the range. A paint spot or specific size grade on a new piston indicates the position within the size range.
Choose the piston with the correct paint color or specific size grade.
Ford Focus Audio Control Module (ACM) Self-Diagnostic Mode - General Procedures
Audio Systems Without Navigation
NOTE: If the Audio Front Control Module (ACM) is inoperable the ACM
part number may be obtained from a label affixed to the chassis.
Turn the ACM on.
Operate the audio system in radio tuner (AM/FM) mode.
Press and hold preset buttons 3 and 6 fo ...