Seat Arona Diesel Engine Power Loss

Alright, car gurus, I need some serious help! My 2018 Seat Arona with a diesel engine is giving me fits. The check engine light is on, and it feels like I've lost half my horsepower! Acceleration is terrible, and I'm pretty sure I'm burning more fuel than usual. I've only got 58826 km on the clock! Could this be a manifold sensor issue? Maybe sensor failure? I'm thinking a large vacuum leakage, but I'm no expert!

4 comment(s)

Whoa, that sounds familiar! I had almost the exact same thing happen with my Arona. Check engine light, felt like I was towing a boat, and the fuel consumption was definitely up. I'd bet money it's your manifold pressure sensor. Have you checked for vacuum leaks? That can kill those automotive sensors quick!

Vacuum leaks, huh? Where exactly should I be looking for those? Is it something I can check myself, or am I better off just taking it to a mechanic?

Yep, sounds like a classic pressure sensor failure. I tried fiddling with it myself, but honestly, it's a pain to get to, and you need the right tools to properly diagnose the vacuum situation. Save yourself the headache and take it to a workshop. They'll hook it up to a diagnostic tool and confirm the intake manifold pressure sensor is the culprit. Better safe than sorry!

Took my Arona to the workshop, and you were spot on! It was the manifold pressure sensor. They replaced it, and the car is running like new again. Cost me 235€, but it's worth it to have my car back to normal. Thanks a million for your help!

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