Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 90 Honda Civic 1.5L 5 Speed D15B2 extremely high idle › Reply To: 90 Honda Civic 1.5L 5 Speed D15B2 extremely high idle
Check the fast idle valve on the back of the intake.
Also, I don’t recommend replacing Honda distributors with aftermarket units. I’ve seen nothing but issues with those over the years.
Additional information on solving idle problems here: http://www.ericthecarguy.com/faq/solving-automotive-idle-problems
Good hunting and please keep us posted.