antonhuber1

Ioniq Crankshaft Sensor Issue

Hi, I have a 2017 Hyundai Ioniq Hybrid with 171849 km. The check engine light is on, and I've noticed reduced engine power, poor engine response, and higher fuel consumption. I scanned for error codes and got something about the crankshaft to camshaft reference value. Could this be the timing belt or a sensor?

A 2017 Hyundai Ioniq Hybrid exhibited issues such as reduced engine power, poor response, and increased fuel consumption, with a check engine light indicating a crankshaft to camshaft reference value error. The problem was suspected to be either a faulty crankshaft position sensor or a timing belt issue. A comprehensive diagnostic assessment by a qualified technician was recommended to determine the exact cause. Ultimately, the issue was confirmed to be a defective crankshaft sensor, which was replaced, resolving the problem.

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4 comment(s)

Based on the symptoms you've described and the error code related to the crankshaft to camshaft reference value, a defective crankshaft position sensor is a strong possibility. However, it is not something to take lightly. Have you noticed any unusual engine noises, especially during startup or acceleration? Any recent maintenance performed on the vehicle, such as timing belt replacement, prior to the onset of these issues?

No unusual engine noises that I can hear. I haven't touched the timing belt yet. Is there a way to be sure it's just the sensor and not the timing?

Given that you have not replaced the timing belt and are experiencing these symptoms, it is advisable to have a qualified technician perform a comprehensive diagnostic assessment. While a faulty crankshaft sensor is plausible, issues with the timing belt itself or related components cannot be ruled out without a physical inspection. Continuing to operate the vehicle in its current condition could lead to additional complications. I advise that you seek a workshop.

Thanks for the advice. Took it to a workshop, and it turned out to be the crankshaft sensor, just like you suspected. Cost me 340€ to replace. Runs like new again.

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HYUNDAI

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IONIQ