September 11, 20205 yr Has anyone noticed a mismatch between the CHT readings on the analog gauges (right side of cockpit, below fuel quantity gauges) and the CHT listed on the engine performance monitor (left side of cockpit, below airspeed indicator). When I'm cruising with mixtures leaned the needles on the analog gauges will indicate a "normal" 400°, but the performance monitor reads over 600°. I'm quite sure the 400° values are the correct ones, as that's what I would expect for an engine that's properly leaned, but I wonder why the digital readout reads 600+
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