I have a "moan" or "howl" that seems to be throttle related. It comes
> and goes as the speed of the incoming air changes with different power
> outputs. It is sometimes heard even at idle after a cold start. The
> engine is a Mitsu 2.5 V6 with Holley fuel injection. Holley says they
> have no product support as this unit was built to Chrysler
> specifications. The last time we had it back to the dealer for service
> we asked for this problem to be eliminated. It wasn't. The dealer
> claimed they didn't have an "A" technician available to do it. That
> must mean that our other service items were done by underqualified
> mechanics. Very Comforting. Does anyone have this problem and/or know > of a fix for it?
I can't imagine the noise. You focus on the air and fuel systems; are you sure of that? Could it be exhaust system?
Sounds like you should find a different dealer for service.