Re: Can spark plugs that look healthy be sick?

In article <XFyFj.5201$6H.2965@[EMAIL PROTECTED]
>,
 Simpson <"tinauxide butylflex"@[EMAIL PROTECTED]
> wrote:

> Aside from that, I had one instance recently where I was getting a 
> comparatively stable idle as read by the tachometer function on a 
> digital meter. I prepared the vehicle up for setting the idle speed as 
> per the service manual. I used a digital meter and it fluctuated only 
> between 70 and 71. You have to multiply the display times 10. Usually, 
> it fluctuates between about 66 and 74.
> 
> For the life of me, I haven't been able to recreate that stability, but 
> it was not that long ago so the ignition parts are probable not the 
> reason. All indications point to the air/fuel condition.

Sounds like it's lean to me.  *Just barely* lean.

A.