Tempermental Service Engine Light, HELP
 

I got a 87 2.8 5 speed. Its in great running condition with one problem, the service engine light comes on whenever the car feels like it. I can hot rod it around town for an hour and itll never come on, but if im doin 45 for more than 5 min it comes on. any thoughts?

Check for error codes. Go here: https://camaroforums.com/forum/82-92-general-10/faq-how-read-codes-20385/