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  1. Engine, Tuning and Performance
    Hi all, as title says..Car is MK4 Golf 1.6 16v 2003 Match, starts fine and idles great when cold. As it reaches half way/full running temperature the idle drops when returning to idle from revs. RPM comes down nicely to ~700 then has a hesitant drop to ~400/500 before it recovers itself. Stalls...
  2. Suspension, Brakes and Chassis
    Hi folks, My 2003 Golf V5 (AQN engine) is suffering from a rough idle and fluctuating revs. Starting the engine takes longer, especially if the engine is warm. Revs can fluctuate between 500-2000rpm when I lightly hold the throttle - revs continue to hunt while the accelerator pedal is held...
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