Blue Smoke

Blue smoke means burned engine oil check this information on blue smoke that comes out the exhaust http://www.cartechhome.com/2008/02/blue-smoke-coming-out-of-exhaust-system.html

Are you saying, after the engine is off (parked) for approx 1 hour, it will smoke after you start the engine? That is sometimes indicative of leaking valve seals. The oil pools around the seals when the engine is off, leaks down the valve, and burns the oil when you start the engine. You should definitely have a qualified shop diagnose the issue. Burning too much oil can prematurely damage the catalytic converters.

hi, you need to read the fault code label associated with the check engine light. blue smoke is usually indicative of oil burning.if your passat is the turbo you may have a turbo oiling issue.the turbo models also have issues with crankcase/intake plumbing problems. no matter , you need to start with read the fault code .

Blue/grey smoke is also an indicator of head gasket failure.