While it’s normal for a car to be idling high when it’s first started, if the idle doesn’t drop to normal after a minute or two, something’s probably wrong. That initial temporary high idle, which is ...

I would like your advice on how to adjust the idle speed of my 1998 Nissan Patrol diesel turbo. The recommended idle speed for 4x4 is 650, but mine is at 800. The engine has a drive-by-wire throttle ...