i got an 88 F150 that the throttle body starts to stick when the truck gets to operating temp...

any thing to look for when i tear into it? anyone carry replacement return springs? anyone carry replacement throttle body's anymore other then junk yards?

 

ok well i figured out why it was sticking.... rust on the pivot shaft. got that cleaned up and lubed and thats working ok... now im trying to figure out where the two ports on the right side go. one was capped and one was wide open. (NOT THE COOLANT LINES i know where those go...)

any help?

 

Those ports should go to the vapor canister via a purge valve.