pajsh
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| posted on 4/2/07 at 06:06 PM |
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OT GTI Question - What is it
Can anyone tell me what the tank below the expansion tank is. Its black plastic and has three connections. One is a tube to the throttle body, one is
a sensor and the other goes to what I think is the fuel pressure regulator.
I think its a carbon filter but the problem is the sensor is making a fast clicking noise that I'm sure it shouldn't.
Can someone tell me what it is and why it's clicking. Probably FUBAR I guess.
Car is a Mk4 Golf GTi 1.8 20v Turbo 1999
Ta.
[img][/img]
I used to be apathetic but now I just don't care.
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robertst
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| posted on 4/2/07 at 06:16 PM |
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swirl pot? 
Tom
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NeilP
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| posted on 4/2/07 at 06:37 PM |
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If it is a carbon canister then it would be to soak up hydrocarbon fumes which would normally come from the fuel tank whilst the car is sat
around doing nada - By throttle body do you mean the the plenum intake valve (i.e an injected engine)? - If so then a bit of a mystery as no fuel
here.
Is what you think is the fuel pressure regulator mounted to the top of the camcover? - This might be an expansion valve in which case you would get
unburnt HCs that leak with other gases back up the valve stem seals.
Regardless - If it's making a din then bound to be fecked - Sorry can't be more help...
If you pay peanuts...
Mentale, yar? Yar, mentale!
Drive it like you stole it!
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martyn_16v
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| posted on 4/2/07 at 06:48 PM |
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The carbon canister on my old MR2 used to buzz away to itself quite happily when the engine was off, I spent ages searching for an angry wasp in the
engine bay until I eventually worked it out. Just because it's making noise doesn't necessarily mean it's berked 
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Gav
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| posted on 4/2/07 at 06:50 PM |
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This is the same on my leon cupra and it seems the ticking is normal, well if its not mines being doing it for neigh on 4 years!
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