gogogo888 Posted August 15, 2020 Report Share Posted August 15, 2020 One of my CHT sensor keeps on going up and down regardless of what RPM I try. We replaced the sensor few weeks ago and it’s still doing the same thing. Roger Lee used to service this SW. Any idea? N249CT IMG_3808.MOV Quote Link to comment Share on other sites More sharing options...
Roger Lee Posted August 15, 2020 Report Share Posted August 15, 2020 It could be just a loose spade connector. You can squeeze it down with some pliers. This is the most common cause. These sensor almost never fail. They are very reliable. An easy way to check one is swap the CHT sensor wire for the oil sensor wire. These two sensors are identical and see if the problem follows the swap. Quote Link to comment Share on other sites More sharing options...
Roger Lee Posted August 15, 2020 Report Share Posted August 15, 2020 Adriel's old plane. Last time I saw it was 2016 Quote Link to comment Share on other sites More sharing options...
gogogo888 Posted August 16, 2020 Author Report Share Posted August 16, 2020 4 hours ago, Roger Lee said: It could be just a loose spade connector. You can squeeze it down with some pliers. This is the most common cause. These sensor almost never fail. They are very reliable. An easy way to check one is swap the CHT sensor wire for the oil sensor wire. These two sensors are identical and see if the problem follows the swap. Thank you Roger, I will try to squeeze the connector down with some pilers. Quote Link to comment Share on other sites More sharing options...
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