Wingover Posted December 30, 2024 Report Posted December 30, 2024 Wanted to get more info from people who installed the JPI900/930. I see the options to buy it with fuel qty sensors. In the M20J when you have 4 fuel senders in two tanks, which option do you choose? 2 tanks or 4 tanks kit?
ArtVandelay Posted December 30, 2024 Report Posted December 30, 2024 2 tanks, the 2 senders for each tank are in series. 2
0TreeLemur Posted December 31, 2024 Report Posted December 31, 2024 @Wingover I love the JPI 900. One suggestion. When you calibrate fuel senders in your J as described in the installation manual- after each 8 gallons, give the plane a little shake. Sometimes the senders can get hung up in their motion when static. When my A&P and I performed that calibration I noticed that when we went from 16 to 24 gallons in the right tank, the addition of that 8 gallons didn't change the resistance much as displayed on the JPI in calibration mode. When he started adding the last 8 gallons, I noticed the resistance value jumped. 1
mmcdaniel33 Posted December 31, 2024 Report Posted December 31, 2024 When Sarasota Aviation put in my JPI 900 in my 77 M20J with two inop original fuel guages we put in 4 CEIS fuel senders. 2
Medicpilot Posted April 7 Report Posted April 7 I installed the CIES senders in mine with my 930 install, and couldn’t be happier. What a great safety improvement.
laytonl Posted April 7 Report Posted April 7 I didn’t change my senders. The gauges seem to be within about a gallon of actual. Lee 1
0TreeLemur Posted April 8 Report Posted April 8 4 hours ago, laytonl said: I didn’t change my senders. The gauges seem to be within about a gallon of actual. Lee Same here.
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