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idle speed

  1. 1995 Cabrio Rough Idle When Hot

    Hey guys, I'm having trouble with my '95 VW Cabrio's idle. The car starts perfectly, and while it's still cold the engine rests at about 900 rpm, but about 1-2 minutes later something in the car reaches temperature and pulls the engine idle speed down to a rough 600 rpm with the A/C on, and the...