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Passat pdi turbo lag - bert-j
My 130bhp pdi Passat seems to have developed pronounced turbo lag when the engine is cold. So much so that moving off quickly from a junction has become quite fraught these cold mornings; I can't remember noticing it in previous winters. The car's fine after about 1 mile. Needless to say it's now out of warranty. I'd be grateful for any comments.
Passat pdi turbo lag - David Horn
Have you tried an oil change? Turbos use engine oil for lubrication, and old, cold, viscous engine oil will presumably slow the turbine down.
Passat pdi turbo lag - cheddar
Oil viscosity will make little noticable difference to turbine response because the oil is pumped through the bearings. Most likely an EGR issue.
Passat pdi turbo lag - bert-j
Just had an oil change. I'd welcome any more info on the EGR system. Thanks