Engine Light pops on occasionally

[doylerl]

Mine was coming on on my 89. I replaced the cap, rotor, plugs, wires, and O2 sensor before it would go off. All of these parts are relatively cheap and can be found at advance auto, if not anywhere else. I think all of this cost me like $50-$60.

[festiva joe]

What might cause this ...AAAANNDD..... Any more discussion on where the devil to find the OBD harness??????



Joe