Originally Posted by westcoaststyle

2 things:

1) How do you KNOW it's a p75? That's why I asked. The center set of numbers on the bar code on the ECU will tell you what the ECU is. If it says P75 then you have a P75. Might as well check to be 100% sure since it's easy to do.

2) Have you checked the code for the CEL? It doesn't just come on for no reason. Jump the ECU and test it. If you don't know how, look in the Civic section in the Online Resources thread for instructions. Report what the code is and that will help us help you.