Some 2010 F-150 vehicles equipped with a 4.6L 3 valve engine may exhibit an idle fluctuation or rolling idle condition during air conditioning (A/C) operation only during electronic cooling fan operation.
ISSUE Some 2010 F-150 vehicles equipped with a 4.6L 3 valve engine may exhibit an idle fluctuation or rolling idle condition during air conditioning (A/C) operation only during electronic cooling fan operation. DisclaimerTechnical Service Bulletin # 11-9-1 Date: 110907 Engine Controls - Fluctuating/Rolling Idle With A/C ON TSB 11-9-1 09/07/11 4.6L 3 VALVE ENGINE IDLE FLUCTUATION / ROLLING IDLE DURING A/C OPERATION FORD: 2010 F-150 ISSUE Some 2010 F-150 vehicles equipped with a 4.6L 3 valve engine may exhibit an idle fluctuation or rolling idle condition during air conditioning (A/C) operation only during electronic cooling fan operation. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE 1. Reprogram the powertrain control module (PCM) and transmission control module (1CM) calibration using IDS release 74.04 and higher. This new calibration is not included in the VCM 2011.7 DVD. Calibration files may also be obtained at the website. NOTE THE...