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Removing charcoal canister - K sries


John Howe

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My car came with a bit of rubber hose dangling down the inside of the rear wing near the drivers side of the fuel tank. If I was environmentally aware I'd have connected it to a charcoal cannister under the bonnet but I couldn't be bothered.

 

Just plug the hole on the inlet manifold with a tight fitting rubber cap (Mosscap) and remove all the vent hose from the fuel tank except for a short stub venting down to the road well away from any sources of ignition.

 

This may be why 340Rs go up in flame?? (Fuel tank filler almost in engine bay)

 

BC

 

 

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John.

 

if you look under your boot floor you will see a one way valve in the tank vent line, This is a good place to break the line after the valve and just have a lenght of pipe venting out high into the os wheel arch. You can then junk the canister. The SLR has no canister.

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John.

My 'K' is set up as Rob describes with just a vent pipe + liquid/vapour one way valve in line that then just vents to air.

The vapour gets out & air gets in, but the petrol (if tank filled to brim and then car corners fast etc) doesn't get out. I got my valve from Caterham direct as originally it just vented to air & could slosh out fuel from a full tank!

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AFAICT the 2 wires connect to the ECU. The ECU opens a valve at certain RPM to "purge" the contents of the canister into the induction system. I suppose one just disconects the wires & secure them somewhere with a ti-wrap.

Mick

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