The 1989 Honda Civic is not equipped with an EGR valve.
you don't, the fan is electric
yes
www.b20vtec.com would be a good place to start or www.honda-tech.com
The spark plug gap for a 1989 Honda Civic LX is .044" (1.11mm).
I have a 1989 civic dx: door 6.5", rear deck, 6.5"
You can't.
No
Good Looking?
1342
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change thermostat