Yes,

The computer is programmed to deliver fuel at specific temperatures. If the engine is too cool, it will use more fuel.

Some put a lower temp thermostat in a car in an effort to squeeze a few more horsepower out of the engine.

But I wouldn't run without one for long.

TB

Tony Boner
Personal: 98cdw27@charter.net Work: tony.boner@sun.com
Saving the computer world from WinBloze as Unix/Solaris/Java Guru http://www.sun.com
1998 Contour SVT Pre-E1 618/6535 Born On Date: 4/30/1997
Now with Aussie Bar induced mild oversteer.