Do a compression test FIRST. Always start with the basics.
<montywilson DeleteThis @rogers.com> wrote in message
news:1191696701.892047.27020@d55g2000hsg.googlegroups.com...
> Hi, I'm a newby to this.
> My 1986 190e 2.3 has been idling very rough for quite a while and I
> have not been able to find the cause. I suspect the Idle Control Valve
> is not working. MB part number is 001411725. How do I test it?
> Thanks.
>
>> Stay informed about: 190e 2.3 1986 very rough idle