willihunter1
Skoda Roomster engine issues
Summary of the thread
A 2006 Skoda Roomster with a gasoline engine was experiencing issues such as the check engine light being on, poor starting, and stalling at idle. The initial suspicion was a faulty camshaft sensor or a defective encoder wheel on the camshaft. After taking the car to a shop, it was confirmed that both the camshaft sensor and the encoder wheel were indeed the problem, and replacing them resolved the issues.
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4 comment(s)
willihunter1 (community.author)
Crankshaft sensor? Where is that located, and how would that cause the same symptoms as a bad camshaft position sensor? I thought those two did different things for the engine control?
thomasfuchs40
The crankshaft sensor tells the engine control where the crankshaft is, and the camshaft sensor tells it where the camshaft is. If either is off, it can cause engine misfire and stalling because the timing is messed up. In my case, the garage said the crankshaft sensor signal was erratic. I'm no mechanic, so I just trusted them. Honestly, with those symptoms, a proper diagnostic check at a workshop is probably your best bet.
willihunter1 (community.author)
Just picked up the Roomster from the shop. It was the camshaft sensor. They replaced that and found the encoder wheel on the camshaft was damaged, as suspected. Total cost 695€! But it's running smoothly now. Thanks for the input.
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SKODA
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ROOMSTER
thomasfuchs40
Sounds familiar. I had similar issues with my Renault Scenic, though mine's a diesel. Check engine light, stalling, rough starts… turned out to be the crankshaft sensor. Could be worth looking into, even though you mentioned the camshaft sensor.