Is your oil pressure switch leaking? Is your oil pressure warning light on your dash not working properly? Very often, the cause is a malfunctioning oil pressure switch. Replace yours and solve the problem.
Getting some bizarre readings from your temperature gauge? Is your gauge telling you that your 928 is driving on the surface of the sun, or in the sub-zero tundra? Replace your sender and get back on track for reading the all important engine temperature.
Not sure what your fuel level is? Worried about having to call AAA on the side of the road? Replace your sender and toss out that spare can of gas in the front trunk.