ludwigberger29
Arkana check engine light and power loss
Summary of the thread
A 2019 Renault Arkana with a gasoline engine is experiencing a check engine light, increased fuel consumption, and power loss. The issue may be related to a faulty inlet VANOS, possibly due to oil sludge, given the high mileage of 243,971 km. A similar case was resolved by identifying a defect in the camshaft solenoid valves, affecting variable timing. It is advised to seek professional diagnostics to confirm and address the problem, which was ultimately identified as a defective inlet camshaft solenoid valve.
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4 comment(s)
ludwigberger29 (community.author)
How did you determine that the camshaft solenoid valves were the issue? Did you perform any specific tests or diagnostics to pinpoint the problem?
max_dragon65
The error codes pointed to the inlet camshaft. Given the mileage, and the symptoms you described, it's highly probable that your VANOS is failing. I would recommend taking it to a workshop for a proper diagnosis. It could be a defective valve or something else entirely.
ludwigberger29 (community.author)
I took it to a local mechanic, and after checking, it was indeed a defective inlet camshaft solenoid valve. The repair cost was around 250€, exactly as I feared. I appreciate your help in pointing me in the right direction.
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RENAULT
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ARKANA
max_dragon65
I own a Renault Arkana as well and I had similar symptoms. It turned out to be a defect in one of the camshaft solenoid valves, causing the variable timing to malfunction. Have you checked the power supply to the valves? It may also be the issue.