Re: 1997 UK W210 e230 idle speed adjustment

-->> T.G. Lambach wibbled:

> Rather than adjusting to the fault the fault should be found and
> corrected. The motor is "hunting" for its ideal air / fuel ratio but
> failing.
> 
> I'd look for a small vacuum leak between the mass air meter and the
> intake manifold - a loose or cracked boot - or a cracked or
> disconnected vacuum hose. Such a leak of unmetered air introduces a
> variable that confuses the motor's control system.

I'll go have a root around - thanks!

-- 
Buzby
There's nothing more dangerous than a resourceful idiot