This little guy basically measures how much boost – that’s pressurized air from the turbocharger – your engine is making. It sends that information as an electrical signal to the engine’s computer, the ECU. That computer then uses it to adjust things like fuel delivery and ignition timing to make sure everything runs smoothly and efficiently with that extra air being forced in. It’s a pretty simple idea, but it's crucial for performance. Think of it as one of the key pieces in a feedback loop. The turbo is forcing more air into the engine, this sensor tells the computer how much, and the computer then fine – tunes everything else. It’s most common in turbocharged gasoline or diesel engines. Without it, the engine doesn’t know how hard the turbo is working, and it can't properly optimize performance. It's not something that directly makes the car move, but it allows the engine to run right when that turbo is actively working. If this sensor fails, a bunch of things can happen. You'll probably get a check engine light, and the engine might go into what's called ‘limp mode’, which means it limits power to protect itself. It could also cause rough running, poor fuel economy, or even engine damage if it's consistently misreporting the boost level. You’ll notice if it goes bad, usually with a loss of power or noticeable engine hesitation. It acts like a shield, protecting the engine from running too lean or too rich when the turbo’s pushing air in. If you're looking for a replacement, you can find a good quality boost pressure sensor on sites like Fixparts Online, but definitely make sure it’s the correct one for your specific vehicle. Buy risk-free: Boost Pressure Sensor (MPN 38494) is covered by a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is a leading global supplier of aftermarket spare parts, offering an extensive range of high-quality components for passenger and commercial vehicles.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you get reliable quality. • We offer a really wide range of parts, covering most makes and models – meaning you can likely find everything you need in one place. • Febi has been around for over 75 years, so we know a thing or two about auto parts and what mechanics need. • Our parts are priced fairly, giving you a great balance between quality and cost. Drive with confidence – choose Febi parts at FixParts Online.