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lukasmoore58

XC60 Engine Knocking Sound

I'm having a knocking sound in my 2018 Volvo XC60 gasoline engine with 98488 kilometers. It feels like combustion irregularities, with reduced power, jerking during acceleration, and smoke. Diagnostics show an error. I suspect combustion chamber deposits. Anyone else had this?

Summary of the thread

A 2018 Volvo XC60 is experiencing a knocking sound in the engine, suspected to be due to combustion irregularities, leading to reduced power, jerking during acceleration, and smoke. The issue might be caused by combustion chamber deposits or pre-ignition. Checking the spark plugs and performing engine tuning are suggested solutions, with a recommendation to visit a workshop to prevent further damage.

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4 comment(s)

lindaswift1

Woah, that sounds rough! I had something similar happen with my XC60. Is it kinda like a pinging sound, especially when the engine's under load? Reduced power and jerking, yeah, I remember that. Have you checked the spark plugs? When did you last do an engine tuning?

lukasmoore58 (community.author)

The sound can be described as a 'pinging' noise, most noticeable under load. I have not checked the spark plugs, and engine tuning has never been performed.

lindaswift1

Sounds very similar to what I experienced. I'm no mechanic, but those combustion chamber deposits are nasty. It could be pre-ignition causing all sorts of problems. I'd say get it to a workshop sooner rather than later to avoid cylinder head issues.

lukasmoore58 (community.author)

I appreciate your insight. I will schedule an appointment with a reputable workshop to address the issue. The estimated repair cost is 425€.

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VOLVO

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XC60