> *>True. Even the electronic ignition systems in new cars (Toyota in > *>particular) do not survive losing a spark plug wire with engine running. > > So what do you do when you adjust them ?! Put on a dummy load ? I've heard > of lead pencils being used for this in a pinch. You don't ever disconnect a wire with the engine running. An engine analyzer will show you weak cylinders, etc. But I do not know the "backyard mechanic's method" for new cars now that pulling the wires is not allowed. -Bob -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu