2002 Lexus Evaporative Emissions Diagnostics (Codes P0440, P0441 and P0446)
While old-school cooling system service often focused on coolant leaks and overheating engines, let’s begin thinking “new-school” by looking at modern cooling systems through the eyes of the engine coolant temperature (ECT) sensor. Coolant temperature is important because torque converter clutch engagement, idle speed control, variable valve timing, engine cooling fan operation and various other
Volkswagen: Unnecessary Electric Coolant Fan Replacements
Model: 2006 Volkswagen Jetta Sedan Customer concerns of “electric coolant fans continue to run after the ignition is switched off” are resulting in unnecessary coolant fan replacements. It is considered normal operation for the electric coolant fans to continue to run for up to 15 minutes after the ignition is switched off in gasoline engine
