Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - 1992 Saturn sl1 slowly loosing fuel economy

ProDarwin · 01-02-2012, 08:05 PM

Did you check the Engine Coolant Temp Sensor? There are two on your car, one for the gauge, one for the ECU. These are notorious for causing all sorts of wonky issues when they fail.

01-02-2012, 08:05 PM	#9 (permalink)
ProDarwin EcoModding Apprentice Join Date: Jan 2012 Location: Oakton, VA Posts: 189 Thanks: 1 Thanked 24 Times in 19 Posts	Did you check the Engine Coolant Temp Sensor? There are two on your car, one for the gauge, one for the ECU. These are notorious for causing all sorts of wonky issues when they fail.