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mila_huber1

Thalia Cylinder Pressure Fluctuation

My 2020 Renault Thalia/Symbol diesel is showing cylinder pressure fluctuation at 48385 km. I'm getting higher fuel consumption, reduced engine power, and the check engine light. I suspect it's a secondary effect. Thoughts?

Summary of the thread

A 2020 Renault Thalia/Symbol diesel is experiencing cylinder pressure fluctuation at 48,385 km, leading to higher fuel consumption, reduced engine power, and a check engine light. The issue might be a secondary effect of another problem. Possible causes include issues with the intake manifold, head gasket, camshaft, or crankshaft. The problem was eventually identified as a consequential error and was resolved under warranty at no cost.

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4 comment(s)

hannahmaier97

I had something similar with my Thalia. Check engine light, the whole shebang. Seemed like a fuel injector issue at first. Was it misfiring?

mila_huber1 (community.author)

No misfiring, just the pressure fluctuation. Did yours also report that?

hannahmaier97

No pressure fluctuation specifically mentioned, but all the same symptoms. Honestly, just take it to a workshop. Could be intake manifold, head gasket, camshaft or the crankshaft. They'll diagnose it properly.

mila_huber1 (community.author)

It was a consequential error resulting from another error and was fixed under warranty at no cost. Thanks for the advice!

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RENAULT

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THALIASYMBOL