S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

P0443 Y58/1 Purge Control Valve fault

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Old Aug 17, 2024 | 01:30 PM
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E220 W213 FL & S500 W220
P0443 Y58/1 Purge Control Valve fault

Good day! First time posting, maybe someone could help me find a wiring diagram for my S500 W220 1999 or explain how this should work?

I’ve got a CEL because of this purge control valve and after some trying out, the valve doesn’t open when you connect it with the wire. I tried giving it 12 volts and it opened, I blew air through it and it was fine.

So part is okay, the connectors seem clean, while using a tester to check if it gets voltage it shows 6 volts, is that fine? What could be wrong?

I’ve looked around the forum and didn’t find any fix for this, but if you could share some links with possible solutions that would be helpful.

I attach pictures of the part and fault code, thank you.

- Kevinas



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