Kangoo VANOS Solenoid Issue

My 2004 Renault Kangoo diesel is giving me grief. Check engine light's on, and my fuel consumption's gone bonkers. I'm guessing it's the inlet VANOS playing up. Anyone else had similar issues?

4 comment(s)

VANOS problems can definitely cause those symptoms. VANOS is a variable valve timing system, and if the inlet side isn't working right, it messes with your engine's efficiency. Have you checked the VANOS solenoid valves? A faulty solenoid or a bad power supply to it is a common culprit.

Solenoid valves, eh? Where exactly would I find those, and is there any way to test them myself before I start tearing things apart?

The VANOS solenoids are usually located near the camshaft. As for testing, you could check their resistance with a multimeter, or even try swapping them if there are two identical ones. But honestly, given the symptoms, and the fact it's a diesel, you might be better off getting it checked by a workshop. Could save you a lot of hassle in the long run.

I took it to a local garage. Turns out you were spot on about the VANOS solenoid. They replaced it, and the light's gone, and fuel consumption is back to normal. Cost me about 250€, but worth it for the peace of mind!

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