[DaveBerry]

I have a 2000 Carrera Coupe that just turned 30K miles. I took it to Momentum Porsche in Houston for the 30K service. Since then I have noticed the coolant temperature at times climes higher than before. Could the engine be running hotter with the new plugs? By hotter, I mean the water temp gage climbs close to the post between the 180 and 250 marks. I don't know what is normal for this car as I bought it in April of 2011.