Helpful Automotive Resources
P2181 Code: Cooling System PerformanceUsers have reported p2181 for the following makes: Volkswagen, Dodge, Audi, Jeep, and Chrysler.
When the coolant temperature in your radiator and your engine is outside the normal range, your PCM may trigger code P2181.
What are the Possible Causes of the P2181 Code?
Defective or malfunctioning engine coolant temperature sensorLow engine coolant Fluid Leaks 101: Find Out What’s Leaking From Your CarBut before you rush off to the repair shop, it’s helpful to identify the different types of fluids that you might find leaking from your car. Below, you’ll find a guide to what the assorted fluid colors might mean.
Fluid ColorWhat Type Best Radiators for Your VehicleAftermarket replacement radiators are as durable as their OE counterparts but they are more affordable, which means you can get the same quality while saving money at the same time. Check out high-quality replacement radiators at CarParts.com today.
How to Clean a RadiatorThere are two ways to clean the radiator: internally and externally. The latter involves cleaning the radiator fins located on the outside while the former has to do with flushing out old fluid and all the buildup that may have accumulated inside of the radiator.
How Hot Does a Radiator Get?Since it is a heat exchanger, the engine’s radiator naturally gets hot, especially after a bit of driving. But how hot does it actually get?