Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Should I have one of these?
Corsa_Power has kindly given me info on what vacuum pipe etc on the Throttle body goes where, and he shows me a picture of a pipe from the TB going to a fuel Vent Valve...
quote:
Other small one on the front goes to the fuel vent valve (near the distributor bolted to the right hand side of the engine)
Should I have one - I don't appear to have anything there - WIll this effect the running, and where can i get one, are they expensive?
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Slammed_Corsa
Member
Registered: 30th Oct 05
Location: Greenock, Inverclyde
User status: Offline
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I dont have one either. My XE is an early 1992 and have been told that the early xe's never had them.
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
User status: Offline
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Mine's from a 1990 Cavalier and has the vent.
I've heard though they run better with the vent only partially plumbed in.
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Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Ah thats bizarre - SO what do i do with the port on the TB where it should go then? - Or can i just leave it to vent free?
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Slammed_Corsa
Member
Registered: 30th Oct 05
Location: Greenock, Inverclyde
User status: Offline
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if you have two samll holes on the throttle body one should be for the fuel pressure regulator and the other for the small breather on the rocker cover.
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Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Yeah I have those, but there's several small ones - One of which should go to the vent i don't actually have?..
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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if you have the plug for it,your eu light will be on constantly if its unplugged.one side of it goes to the cannister in the wheel arch,you should have a small vac pipe running up your bulk head.and the other side goes to the inlet manifold(below the tb)
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Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Oh right - Well i'm not sure whether I have the plug or not...
I have a spare 3 pin plug with only 2 wires, which is near the fuel relay plug on the loom, so could be that in fairness...
I'm off to the scrappy in a bit so i'll try rob one and see 
Cheers
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Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Well, i got one from a Vectra SRi - Not sure whether I have the plug for it, but i'll check - Got a battery too, so i might try get her started
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Terry12
Member
Registered: 24th Sep 07
Location: Manchester
User status: Offline
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What's the engine out of?
I noticed the GTE engine Sxi kid is using doesn't have this vent or the wiring for it.
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Davidkent
Member
Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline
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Not entirely sure tbh...
Doesn't look to have a plug, but it does have a random 3 pin plug with only 2 wires.. brown and brown and red or something...
Nothing appears to be there for the Fuel vent valve though, and there's a random white 2 pin plug, which apparently doesn't ned to be used..
I have no power atm somewhere along the line though...
Cheers
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