All Things Mk5 > How to Guides / Troubleshooting

Fuel EVAP incorrect flow.

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vsgti:
I had the same problem and just changed the plastic pipe on the canister and its been fine every  since - around £18 from TPS.

mk1mad:
Replaced the pipe first as picked it up from the dealers one thing to note the pipe comes with a new o ring fitted. So now have a spare!

Fault has come back so the new pipe hasn't cured it. n80 is ordered from ebay but coming from China so will update when it arrives and is fitted.

pudding:
Changed the pipe and the N80 valve (both from the dealer) and I still get that fault code intermittently. 

People have mentioned a suction or whoosh noise from the petrol tank when removing the filler cap, which could indicate an issue, but not sure if the noise is supposed to be there, or not!   Mine doesn't make any noise.

MrACD:
Missus' Dad had the same fault on his Audi, changed the canister and pipe, not the N80 though and so far so good.

These canister's can get blocked up.

Do you fill your car to the brim at all?  Like fill then click it a few times?

mk1mad:
Have changed the n80 thank srobmcclel for  the link, I was a bit unsure ordering one from China but no extra taxes and looks to be the same part. So a good saving over the dealers price.

Fingers crossed, the light always came back within a week of driving so will report back next week. The car does seem a little smoother and slightly better on fuel so hopefully it's cured it.

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