probably one located just after the engine on the exhaust. by now this sensor will be stuffed
yes
The 1989 Honda Civic is not equipped with an EGR valve.
yes, it does have Oxygen sensors
The spark plug gap for a 1989 Honda Civic LX is .044" (1.11mm).
a new oxygen sensor might be needed
I have a 1989 civic dx: door 6.5", rear deck, 6.5"
You can't.
No
Good Looking?
1342
170, 70, 13