Still using this thing on my 2000 SR20. Up to now no issue but my Engine Monitor section is not reading CHT, EGT, Fuel Flow most of the time. Intermittent problem. Sometimes after start up it comes on and stays on sometimes it does not come on. I checked connections on EMM335 and seem ok. Cleaned plug at the MFD. Any other suggestions, relays etc. If it is relay not sure where to look.