mila_huber1
Thalia Cylinder Pressure Fluctuation
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)
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
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?