Join Date: Jan 2007
Location: far and away
Ferrari Life Posts: 6,204
Ferrari 456 : Oil Sender/Sensor questions
I appeal to the better mechanics in the group:
This last two days, my readings on the oil pres. lbs/in show it pegged to the right, well past the 170 mark. I don't believe it is that much pres in the system but a bad sensor/sender problem. I have checked the oil numerous times in panic and find it normal.
....but with some 'other' issues starting to creep up where Iím sending it to the shop, I'm wondering.
I don't know how these sensors in Ferraris directly work. I would expect a simple pres diaphragm connected to either an electrical/digital mech going to the pres gauge
like in them olden days, just a direct tube of sorts, but I doubt this latter is used anymore in modern production.
- I would expect a bad sensor to express at low or normal pres but NOT above normal, pegging out the reading. Is this true?
IF I drive slow, in the 2,500-3k RPM scenario, it is Ďalmostí normal. IF I stomp on it, of course it pegs. IF I am going up/down a hill it doesnít matter ?!?!?!
What am I missing?
BTW: The Oil Temp constantly reads low too, where I truly believe that to be a sensor problem as well.
Guide to the Galaxy: Don't Panic
Rik -- LAH !
1990 Mondial T Cabriolet SN 86247 : Red/Tan
1995 456 GT 2+2 SN 99987 : Roso Metalizzato [Fer 311/C] & Tan