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My new fuel pressure sensor showed up last week while I was out of town for business. EBay had the best price for it - right around $34 shipped.  The new sensor was relatively painless to install.  While I had the cowl off I wanted to research why the oil door was popping open in flight. At first I thought the latching mechanism wasn't getting a good "bite". However, after looking deeper into it, it appears as if the oil door bent slightly outwards from the cowl. This would cause it to open with a descent amount of pressure applied from the inside. After I slightly adjusted it, it was harder to open up, but it still bends slightly. Once the bend becomes too great, the latch isn't positively engaged into the hook attached to the cowl. If this continues to be an issue, I will rivet some stiffeners to the inside of the oil door to reduce or eliminate the flex.  Since I re-adjusted the bend in the oil door, the fit is perfect now! I am relatively glad I didn't need to re-engineer the hook mechanism the latch engages with.  I needed to top off with fuel for a trip I'm taking this weekend. The new fuel pressure sensor seemed to work fine on the ground during the short engine run to and from the fuel pumps. This weekend will be a good test to see if the fluctuations in the fuel pressure continue. 
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Last Modified: October 5, 2024 |