On Wed, 8 Nov 2006 16:28:48 -0500, "Comcast Customer"
The Caddies, especially the 4.x series, don't do well with aftermarket
oil pressure sending units. Unless you used an AC Delco, you might
want to try one of those before you get into the expensive things.
As an aside, how many miles on the car and what weight oil are you
On Sun, 12 Nov 2006 11:18:16 -0500, "Comcast Customer"
The oil is correct and the miles are low so at this point I'd replace
the aftermarket sensor with an AC Delco. If that doesn't do it, you're
likely looking at doing the oil pump. That's pretty rare, though.
Make sure you check it with a oil pressure gauge. It will tell you
how much oil pressure you have. good oil pressure at start is around
60psi. After warming on the interstate 30 is OK. If its dropping
down to the 10-20psi range you need a new oil pump!
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