[snorcus]

Here is one for hesatations at steady speed .
HESITATION AND/OR SURGE WHEN A/C TSB 05-23-11
COMPRESSOR CYCLES ON/OFF AT STEADY STATE
CRUISE
FORD:
2006 Focus
ISSUE OPERATION DESCRIPTION TIME
Some 2006 Focus vehicles may exhibit a hesitation 052311A 2006 Focus: Check 0.4 Hr.
and/or surge when the A/C compressor cycles Diagnostic Trouble Codes
on/off at a steady state cruise. And Reprogram The
Powertrain Control Module
ACTION (Do Not Use With 12650D,
Reprogram the powertrain control module (PCM) to 12650D84)
the latest calibration using WDS release B39.14 and DEALER CODING
higher or B40.2 and higher. This new calibration is CONDITION
not included in the B40 CD. Calibration files may BASIC PART NO. CODE
also be obtained at http://www.motorcraft.com. RECAL 04
WARRANTY STATUS: Eligible Under Provisions Of