civic idle problem?

honda civic hatch cx with a dx motor and ecu has a very high idle, really bad when cold probably between 3-4000 rpm any sugestions?

Reply to
DECKERRADIO
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Yes, I have a suggestion: Tell us what model year this car is, what model year the engine is from and which ECU us are using. The idle control system has changed quite a bit over the years.

Reply to
Randolph

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