On 8 Apr 2006 12:46:10 -0700, "
> wrote:

>I swear I'm gonna blow this thing up... Same 1996 3.3L caravan that I
>replaced the fuel pump on and mysterious tensioner issues.
>
>Last night while coming home from work I noticed the engine started
>making a knocking sound. I'm not sure what rod knock sounds like, or
>even what causes it, but this may be it.
>
>I only hear the "knocking" sound when I accellerate. If I'm idling, or
>if I'm cruising under 1500-2000rpm, I don't hear it. If I have to
>accellerate even mildly from a light, I hear it.
>
>
>I know thie description is vague, but if anyone can help with this it
>would be appreciated.



Does it match the engine rpm or the output shaft (wheel) rpm? If it
is the latter it might be an inside CV joint that has gone bad.