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Showing results for tags 'fuel servo'.
Found 2 results
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My Mooney 252 (TSIO 360MB) has a strange idle issue. When I land after a flight, the engine quits just before I turn off the runway. If I keep the idle at 1000 RPM or above it doesn't quit. Additionally, when I turn left or right the engine wants to quit too. So the side force of turning left or right or stopping seem to make the engine quit! What could this be? Anyone with similar experience? My guess is it's either the fuel pump, fuel servo, or the spider.
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I replaced the fuel servo a few months back in my M20J, io360-a3b6d engine. Shortly thereafter, I noted an anamoly with fuel burn that is the inverse of what is expected - I burn more fuel as altitude increases. From memory, down at 2500 feet, 100 ROP yields approx 10.5 gph indicated at 24 squared. At 6000, same power settings require 11.5-11.7. I have a hoskins ft-101 that I am getting my data points from on fuel burn. I had a discussion about this with my mechanic and he explained that as a fuel servo goes bad, it dumps a bunch of extra fuel into the cylinder so when leaning prior to new fuel servo, I had a bad baseline to compare to. I challenge that, however, since I am not concerned with either a higher or lower gph reading, but rather what seems to be a mixture issue since I am requiring a richer mixture as I climb. Any thoughts?
