I hate to ask the obvious stupid question, but how do you pull the codes without a diagnostic tool on ODB-I? I did a search and didn't see any postings?

Quote:
Originally posted by DemonSVT:
Yes. Pull the codes.

Could be a missfire. That's bad for the engine. Find out what the codes are asap.
They are easy to pull on OBD-I, no need for a diagnostic tool.