Erratic psi reading

[Slow-N-ugly]

Here is the deal; my car (stock 1998 5-spd 3.8L) has always shown 180 on the temp gauge, and 60 psi on the oil. A couple of days ago the temp came up to about 190 and the oil pressure dropped to about 50. So I changed the oil, flushed the cooling system, and replaced the belt (yesterday). Now I am getting an erratic psi reading on the gauge. It goes from 40 at idle, to 60 when driving. The temp ranges from what I would call 175 to 185. The "SES" light came on today and is staying on. Does the computer need to "recalibrate" itself, or do I have a serious problem?

[BillyCobin]

The oil pressure thing has been talked about a lot.

http://www.camarov6.com/cgi-bin/ulti...c&f=1&t=004280

http://www.camarov6.com/cgi-bin/ulti...c&f=1&t=004595

http://www.camarov6.com/cgi-bin/ulti...c&f=1&t=004842

http://www.camarov6.com/cgi-bin/ulti...c&f=1&t=006306

Get the code scanned, and find out what it is.

[Camarorulz]

My oil pressure has actually increased since I did a small mod: removing the air silencer [img]smile.gif[/img]
runs a little above 60 at idle sometimes, and a little below other times.
-Eric
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2002 Navy Blue Camaro A4, 3800-II V6, K&N filter. 80-series Flowmaster exhaust w/2 dual tips
Removed air silencer box. To come: FTRA, whisper lid, and maybe someday (sigh, I hate stock gears) 3.42s.

AIM hdcgamer84
"Hey guys, check out my crank windows!"