Your first problem I believe, is the throttle control stabilizer located on the intake manifold by the throttle body control, also the unstable RPM's is part of the limp mode system of the Honda, telling you you are either low coolant, engine oil, transmission oil etc. Make sure you check all your fluids. Your second question about the radio, it's going to need a code, you will either have to pull the radio, and there are some numbers on it, on a tag, call your Honda service department and get the code for the radio.
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Thursday, March 26th, 2009 AT 5:03 PM