A 1.9 TDI can hum at idle if the spark plugs foul. A clogged fuel filter can also cause this issue.
Up to 30%
380 MPH
you would need to have a scan tool, ross-tech or a vw dealer tool, in there you can set the idle for the car... with out it, your sol sadly
Does not have one. Idle speed is controlled electronically through an idle speed control module.
Idle speed is computer controlled and is not adjustable.Idle speed is computer controlled and is not adjustable.
Idle speed is PCM controlled and is not adjustable.Idle speed is PCM controlled and is not adjustable.
how to adjust idle on 2001 legacy
If it has EFI (Electronic Fuel Injection) there is no idle speed adjustment. The idle speed is adjusted electronically.
Idle speed is computer controlled and is not adjustable.Idle speed is computer controlled and is not adjustable.
You don't. The idle speed is determined by the on board computer and the idle speed control (ISC).
Idle speed is computer controlled and is not adjustable.