Been noticing that the truck has been smoking at idle more than I care for so decided to do some tinkering and see if I could readjust the star wheel and fuel plate ETC. to correct this. In the process, I discovered that the rubber boot for the fuel shut off solenoid was bad. Were do I need to go to get a new one? Is there another kind of fix? I'm sure hoping it's not a dealer only part. The thing that made it easy to discover is the keeper that holds the plunger on was missing and the solenoid just kind of fell out of the way so I need to replace it also. What should I look for to do this? Is it a cotter pin or what?Thanks