Question about 1991 Volkswagen Cabriolet
My 1991 VW Cabriolet runs rough during idle but gets better with higher rpm's. I cleaned the idle stablizer on checked it by jumping the stabalizer and I could hear it open (engage). After I cleaned the stabalizer it ran good at idle for a short period then back to running rough.
Check the hose between the inletmanifold and the pipe to the brakeservo it normally gets old and a crack in so the engine sucks false air on cylinder 4, causing engine to run rough or uneven.
Posted on Apr 14, 2009
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