6th Generation Civic 1996 - 2000 In the years from 1996 to 2000 Honda released it's 6th Generation Civic.
Chassis codes: EK9, EK4, EK3, EJ6, EJ8, EJ9, EM1

99 dx rough idle

 
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Old Jun 5, 2007
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99 dx rough idle

my '99 dx commuter-mobile has had a rough idle for a long time now.
96k on it right now. I did a complete tune-up including a valve adjustment but it still idles rough.

It doesn't die on idle and runs smooth at speed but it shakes pretty bad and worse when the AC is on.

I don't have a factory workshop manual but isnt there an IAC on the throtlle body that may be the culprit?
I checked vacuum lines but may need to again.
Only other thing I can think of is to check my motor mounts. ???

Any suggestions?

Thanks
 
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