912 uls3 oil pressure fluctuation plus drop?

by adrian miller in General Tech Discussion 12 years ago

I recently watched my oil gauge flutter then drop suddenly, then return to normal operating range. The engine was running cold due to high flying
6,000'. This happened on a number of occasions. Does this occur because of the oil thermostat?? Engine only has 305 hrs

Re: 912 uls3 oil pressure fluctuation plus drop?

by Roger Lee » 12 years ago

Roger Lee

131 5.38k 5.44k

Hi Adrian,

Before anything else I would suspect the oil pressure sender or the gauge. These are the two most common. The next problem could be a poor ground. There are a couple of other items, but these are the most common.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Re: 912 uls3 oil pressure fluctuation plus drop?

by jim reader » 12 years ago

jim reader

0 7 0

I had a heck of a time with a new plane. Solved it by replacing the oil sending unit with one from a motor cycle shop. Rotax ones were not reliable.
616jim

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