When car is started the temp guage goes crazy..It bounces around until car is warm...I was thinkin electrical or maybe theromstat is shot...What you guys think..I also have a video of what is going on...shoot me your email and will send out...By the way it is a stock 02 ws6 with a few add on guages and catback....
Thanks

 

Could just be a bad sending unit.

 

replaced that...didnt change a thing