Dragging out an old thread here... Anyone know of a cure to this? With the air conditioning switched on, the engine revs itself to 3000 RPM once every 15-20 seconds roughly.
Butterfly valve, idle control valve both cleaned out regularly and done only about a week ago or so.
Are there any other components that could do with being cleaned?
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Current:
2016 V40 T2 R Design Nav Geartronic
2003 S40 2.0 SE auto
2000 V40 1.8 XS
1988 240 GLT saloon
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