This sensor basically measures the temperature of the exhaust gases coming out of your engine. It sends that temperature reading to the engine’s computer, the ECU. It's a pretty straightforward job, really – it just tells the computer how hot things are getting after combustion. The ECU uses that temperature info for a few things. Primarily, it helps control the catalytic converter. It needs to know how hot the exhaust is to make sure the catalytic converter is working efficiently – like, is it getting hot enough to actually clean the exhaust, but not too hot that it gets damaged. It also helps with fuel trim, meaning how much fuel the engine injects. If the exhaust is hotter than expected, the computer might lean out the fuel mixture a little bit. It’s part of a bigger system to keep things running smoothly and cleanly. If this sensor fails, a few things can happen. Your check engine light will almost certainly come on. More importantly, the ECU won’t have accurate information, so the catalytic converter could get damaged from overheating, or it might not clean the exhaust properly, which affects emissions and could lead to a failed emissions test. You’ll notice if it’s really bad – the engine might run rough, or you might get a loss of power. It’s one of those parts that doesn’t get a lot of attention until it goes bad, but it’s important for keeping everything working the way it should. We’ve got a good selection of these over at Fixparts Online if you’re looking to replace yours, and I can help you find the right one for your vehicle. Smart investment: Exhaust Gas Temperature Sensor (MPN 2.27219) comes with a 12-month warranty!

About DT

Diesel Technic’s extensive range covers all essential components, ensuring cost-effective maintenance solutions.

Why Choose DT?

• We have a huge selection of parts, so you’re likely to find what you need, fast. • Our prices are competitive, meaning you get great value for your money. • We focus on quality parts that are built to last, saving you time and hassle. • Our customer service team is here to help – we'll get you the right parts and answer your questions. Performance you can rely on – DT parts from FixParts Online.