'91 Intergra idle/stalling/starting problem(s)
 

I have a '91 Integra that some times idles roughly and erratically, stalls while I'm both driving and at stand-still & sometimes won't restart for a while. I've replaced the distributer, spark-plugs, and spark-plug wires, checked the fuel relay and air intake valve without fixing the problem. 3 people haven't been able to diagnose and fix the car. This has been going on for 3 months.

I'm not sure what to do at this point. If anyone has an idea of what might be going on, I'd really appreciate the help.

Thanks a lot.

What kind of gas are you using?