kevinschubert9

S80 engine stalls at idle

I'm experiencing an issue with my 2003 Volvo S80, gasoline engine. The check engine light comes on and off, and the engine sometimes stalls at idle. I think it might be a leak in the fuel tank ventilation system. Could the activated charcoal filter be bad? The fuel cap seems okay.

A 2003 Volvo S80 is experiencing engine stalling at idle and intermittent check engine light activation. The suspected cause is a leak in the fuel tank ventilation system, potentially due to a defective activated charcoal filter. After consulting a workshop, the issue was confirmed to be a faulty charcoal filter, which was replaced, resolving the stalling problem.

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4 comment(s)

Sounds familiar. I had similar problems with my old Opel Astra – the check engine light and stalling were driving me nuts! It turned out to be an EVAP system issue. Think of it like a blocked chimney for your fuel tank. Have you checked for any cracks or loose hoses?

Thanks! Chimney, that's a great analogy! I haven't seen any obvious cracks. Where should I be looking for these leaks in the EVAP system?

Honestly, in my case, the leak was a real pain to find without proper tools. It could be anywhere from the fuel tank to the engine bay. Best bet is to take it to a workshop. They'll have smoke testers to pinpoint the leak.

You were right! The workshop confirmed a defective activated charcoal filter was causing the EVAP system leak. The repair was 275€, but now the engine runs smoothly. Thanks for your help!

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VOLVO

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S80