AndiKlein91

V40 engine stalling

My 2003 Volvo V40 gasoline is driving me nuts! Check engine light is on, and the engine stalls at idle sometimes. Mileage is at 155193 km. I suspect it's the tank ventilation valve. Already checked for obvious leaks, but I think some hoses are clogged. Anyone else seen this?

A 2003 Volvo V40 was experiencing engine stalling at idle and a check engine light, suspected to be caused by a faulty tank ventilation valve or clogged hoses. A suggestion was made to check the pressure sensor connected to the valve, which was a known issue in similar cases. Ultimately, a workshop visit confirmed a clogged hose, leading to the replacement of the ventilation valve and cleaning of the hoses, resolving the problem.

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4 comment(s)

Hey! I had a similar issue with my V40, although it wasn't the same year. Check engine light and occasional stalling. Did you check the pressure sensor connected to the valve? That was a culprit for me, throwing off the whole emission system.

Good call on the pressure sensor! I'll check it out. Was it just a matter of cleaning it, or did you have to replace the sensor itself?

In my case, cleaning didn't do the trick. I ended up replacing the sensor and the valve itself. It helped for a while, but the problem came back after some time. Eventually had to bring it to a workshop, they told me there was a clogged hose after all. So maybe you should consider visiting one.

Thanks! Appreciate the insight. I went to a workshop, you were right about the clogged hose! They replaced the ventilation valve and cleaned the hoses for 175€. Runs like new now!

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VOLVO

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V40