knock knock goes the jeep....

[Greg Hermann]

>Hi All,

>
>I don't see how it could knock with so little timing advance (more
>like none)
>
>Any thoughts on what it is doing and how to fix it?
>
>john gwynne

I sort of suspect that somehow you are collecting a vapor/steam bubble
somewhere in the head while cruising and developing a significant hot spot.

That, or perhaps a vapor bubble in the fuel rail that is taking one or two
cylinders way lean--

Greg