bad throttle response
Depends ...how many miles on your truck... the spring connects the COP with the tip of your spark plug...if you don't have good contact there you will lose spark...the boot protects these connections...seal each end of the boot with dielectric grease to keep moisture out..
Depends ...how many miles on your truck... the spring connects the COP with the tip of your spark plug...if you don't have good contact there you will lose spark...the boot protects these connections...seal each end of the boot with dielectric grease to keep moisture out..
I suppose if it aint broke don't fix it.







