Posts Tagged: VW surge and misfires

VW surge and misfires

February 24, 2021

Fix VW surge and misfires VW has issued a service bulletin #13 17 03 to address VW surge and misfires on the vehicles listed below. The vehicle may experience a surging idle, Misfire codes P0300, P0301, P0302, P0303, P0304, and P0100. Diagnose VW surge and misfires Start by inspecting the intake system for leaks. If the system checks out with no leaks, block off the crankcase ventilation system with the engine running. A failed crankcase breather is the most common cause of the air leak. However, the failed crankcase breather … Read More