cel check issue

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Dark91zc

Senior Member
how do i check what code my ecu is throwing when a 91 civic has stock obd-0 wiring with a obd-1 jumper harness and a 99-00 ex civic gauge cluster?? i know one code is the 4 wire o2 sensor. as soon as i start my car the check engine light comes on :( i am trying to fix this





lance
 
if you're using an obd1 ecu (along with the obd1 distributor, etc), you're using obd1 error codes.

i don't see what the cluster has to do with it.... it shouldn't matter.

but now that i'm thinking.... is there even a jumper service port in the EF's??
 
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