VM1000C gold box. O-540 lycoming. At Oshkosh, my rpm sensor failed. So I ordered a new one, new EGT probes and new CHT probes as a couple had stopped working. Now, rpm is good. EGT is good. CHT is good with master power switch on, but when the engine is running they revert to What appears to be OAT. Any thoughts?
Probes are Dynon J probes, bayonet style.
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