This little guy basically measures how hot your engine is. It’s constantly checking the temperature of the coolant – that’s the fluid running through your engine to keep it from overheating. It then sends that temperature reading as an electrical signal to your car’s computer. The computer uses that information for a bunch of stuff. It adjusts how much fuel the engine gets, it controls the cooling fan to turn on or off when needed, and it even tells the computer when to adjust the engine timing. It's a key piece of the puzzle for keeping everything running smoothly and efficiently. Think of it as the engine's thermometer, reporting back to central command. If this sensor goes bad, it can cause a lot of problems. The computer gets inaccurate information, so it might think the engine is colder or hotter than it really is. That can lead to poor fuel economy, rough idling, hard starting, or even engine damage if it's consistently misreading and not kicking on the cooling fan when it should. You’ll notice if it’s really off – things might run really rich and sluggish, or the fan might stay on all the time, even when it’s cold. It’s a relatively inexpensive part to replace, and addressing it early can save you from bigger, more costly repairs down the road. We often have these in stock at Fixparts Online, and they're usually a pretty straightforward DIY job if you're comfortable working on cars. Customer support you can rely on: Coolant Temperature Sensor (MPN ADC47218) has a 12-month warranty!

About Blue Print

Blue Print provides a comprehensive range of precision-engineered replacement parts for Asian, American, and European vehicles, known for their quality and exact fit.

Why Choose Blue Print?

• We offer a huge range of parts for European cars – everything from AdBlue tanks to wheel bearings. • Blue Print parts are made to the same standards as original equipment, so you know they’ll fit and work well. • We’re trusted by garages and car owners across the country for quality and reliability. • You get great value for your money – top quality parts at a competitive price. Blue Print – trusted quality, available at FixParts Online!