sophialoewe1
Corsa Manifold Pressure Sensor Fault
Summary of the thread
The conversation centers around a 2022 Vauxhall Corsa experiencing reduced engine power, sluggish response, and increased fuel consumption, with a check engine light indicating a faulty manifold pressure sensor. The problem may be caused by a vacuum leak, possibly a large one in the intake manifold. Suggested solutions include thoroughly inspecting hoses for cracks and considering professional repair to confirm and address both the sensor fault and any vacuum leaks.
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4 comment(s)
sophialoewe1 (community.author)
Thanks for the quick reply! I did visually inspect the hoses, but I didn't do a thorough check for tiny cracks. Was it difficult to locate the leak on your car? Did you replace the sensor yourself, or did you take it to a shop?
janafrost97
Locating the leak was a bit of a pain, to be honest. It was a hairline fracture on the underside of one of the hoses, almost impossible to see without really bending it. Considering the potential impact on the engine's performance and the intricacies involved, I ultimately decided to take it to a reputable workshop. They confirmed the faulty sensor and the vacuum leak, and replaced both.
sophialoewe1 (community.author)
Okay, that's good to know. Sounds like I'm heading down the same path. I appreciate the insight – I'll book it in with a mechanic. They've quoted me 235€ for the sensor replacement and fixing the leakage, so hopefully, that will solve it. Thanks again!
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VAUXHALL
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CORSA
janafrost97
That sounds incredibly frustrating, I feel your pain. I had a similar issue with my Corsa. Same symptoms: check engine light, power loss, and awful fuel economy. The diagnostics also pointed to the manifold pressure sensor. Have you inspected the hoses connected to the intake manifold carefully? Sometimes a small crack can be the culprit.