So my ever helpful son-in-law is taking it to his families car/van hire business where the mechanic has a code reader.
So, what do you reckon the problem is ?
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Duncan wrote:If it won't turn over (that is the engine doesn't go round at all) then it's not cam sensor. It will be the starter motor or wiring. I refer back to my guess of starter solenoid as the most likely given the intermittent nature and symptoms. Other possibilities are worn out starter brushes, immobiliser relay (inside the immobiliser) or a dodgy wiring connection.
Kind of underlines the reason for clarification of the symptoms as I'd have understood completely dead to include no lights on the dash.
Good luck with the fix, but don't change the cam sensor just yet!.
Duncan wrote:The engine ECU can't tell if the camshaft sensor is working until the engine is going round, so no it doesn't stop it. It doesn't send a signal until the engine is moving, so it has to turn over first.
I can say for sure that is true with the V6 (from when my cam sensor failed and it would turn over but not start) and it's the same with the diesels from reports I've seen. I'm 99% sure it's the same with the K1.8.
Duncan wrote:That's OK.
But please read my explanation again and then you may understand why your understanding is incorrect, as that's completely impossible since the explanation explains why any signal prior to starting wouldbe irrelevant.