high rpm

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New Member
just put a zc dohc in my 91 honda civic. first t wouldntturnover then found it wasnt grounded properly. than wouldnt get spark my ecu was nto working...found blownfuse..now it starts but revs uo to 2000. and wont go down. any ideas of what could be causing this to happen? thanks
Probably a vacuum leak. Go over all the hoses ect.

If you check engine light is on it may be a different story though.

Get back to us.
i had the same thing going on it was the TPS