Focus Fanatics - View Single Post - Rough Idle only when the A/C is on
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Old 11-17-2012, 11:12 PM   #11
blakeclevenger
Focus Rookie
 
Join Date: Nov 2012
Fan#: 105886
Location: Amarillo, TX
What I Drive: 2002 Ford Focus XZ5 DOHC Ztech 120k

Posts: 12
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okay so I found out tonight that the idler pulley and belt tensioner really need to be changed. Hopefully each of these are creating enough drag that its lugging the engine down once the A/C comes on. The parts stores were closed tonight once I realized this, but tomorrow I will replace them and find out. From what I could tell, it seemed that the A/C bearing was in good condition. Thanks again for the help guys. I will keep you informed tomorrow.
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