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annakoenig1

Skoda Karoq Camshaft Sensor Issue

My 2021 Skoda Karoq with the gasoline engine is giving me headaches. It's starting rough, feels like reduced engine power, and the check engine light is on. Error memory says camshaft sensor defective. I'm suspecting it's just a bad connection, maybe the cable or plug.

Summary of the thread

A 2021 Skoda Karoq with a gasoline engine exhibited rough starting, reduced engine power, and an illuminated check engine light, with an error indicating a defective camshaft sensor. The initial suspicion was a bad connection, possibly involving the cable or plug. After investigation, the issue was confirmed to be a defective camshaft sensor cable, which was replaced, resolving the problem.

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4 comment(s)

erikklein1

Camshaft position sensor failure on a Karoq with the gasoline engine isn't unheard of. The symptoms you describe – poor starting, reduced power, error code – align with that. Before condemning the sensor itself, did you thoroughly check the wiring harness and connector for corrosion, damage, or loose connections? A simple voltage drop test on the wiring can sometimes pinpoint the issue before replacing the sensor. It might also be worth inspecting the crankshaft position sensor as the ECU uses both signals.

annakoenig1 (community.author)

How exactly do I perform that voltage drop test you mentioned? I'm not entirely sure where to start.

erikklein1

If you're unfamiliar with voltage drop testing, it might be best to leave it to someone with more experience. Given the symptoms and error code, and your suspicion of a wiring issue, it's reasonably likely that's the culprit. However, a faulty sensor can't be ruled out completely without proper diagnostics. Perhaps taking it to a workshop for a quick diagnosis would be the most efficient route to avoid further issues.

annakoenig1 (community.author)

Turns out it was a defective camshaft sensor cable. 95€ and it's running smoothly again.

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SKODA

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KAROQ