On Wed, 16 Feb 2000, nacelp wrote: > any generator of the right frequency sets it off. I've had a serpentine > belt cause a false signal > Grumpy same here, my belt was slipping during the 1-2 and 2-3 shift and was giving me knock retard. replaced the belt, sanded the ps pulley and it worked great. I'd rather not desensitize the knock sensor unless i have too. Eric