Car wont idle right!!
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Could this be the fuel cut-off valve being faulty? I can only think that the other cause would be a vacuum leak but i cannot find one
Im really sick of this engine and with its piston rings worn needing a bottom end rebuild im ready to stick a lower mileage, more economical, faster and more reliable engine in
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Last edit: by mazza411
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Last edit: by mazza411
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Regards Volkswarren
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
& T Reg S1 GTi Project, Still Looking for Series 1 GTi's or a 16S Oettinger to restore (Complete Cars only) or an A reg Lhasa Green or White Gti to restore, also consider Black, Red or Blue, Also Golf Driver Project Wanted anything considered WHY
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
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Regards Volkswarren
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
& T Reg S1 GTi Project, Still Looking for Series 1 GTi's or a 16S Oettinger to restore (Complete Cars only) or an A reg Lhasa Green or White Gti to restore, also consider Black, Red or Blue, Also Golf Driver Project Wanted anything considered WHY
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
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This sounds like the classic "split carb base gasket" problem.
As you slow down it lets air in under the carb, weakening the mixture and causing the car to stall.
A new base gasket will sort this issue almost certainly!
You can test this theory, by running the car parked up and spray carb cleaner or wd40 at the base of the carb. If the engine note changes (picks up) the carb is sucking the spray in and using it as fuel - indicating a split there.
Let me know what engine size it is, and i'll send you a link for the base gasket - or give us a call on 01444 251270
Andy
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Regards Volkswarren
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
& T Reg S1 GTi Project, Still Looking for Series 1 GTi's or a 16S Oettinger to restore (Complete Cars only) or an A reg Lhasa Green or White Gti to restore, also consider Black, Red or Blue, Also Golf Driver Project Wanted anything considered WHY
X2 1983 A REG EW CAMPAIGN In WHITE(Awaiting full rebuild solid body)
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Thanks for the help
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Also check the inlet manifold gasket for leaks.
By running on choke you are richening the mixture, and compensating for an air leak somewhere, hence why it only runs on choke.
Get the WD40 out and start spraying all your joins.
As a really quick test smear them all in LM grease as that will stop the air ingress for a moment or two - of course it will melt off pretty quick, but may prove where the leak is coming from. You could do this with some engine sealer if you prefer - but thats a bit messier!!
Also you mention the engine is slowly dying.. a loss of compression due to worn rings won't be helping matters.
Andy
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Still not helpful
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Last edit: by r_chez_08
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Old Timer
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Thinking about it I might strip the carb and check the idle jet because I've not checked that yet and it seems to be a big possibility.
I don't believe it is the carb flange because it was new last year and I recently took it apart and checked the flange and its been fine for a few weeks.
The problem seems too promenant for it to be just a vacuum leak because I tan it for a week without the vacuum hose connected at the back and I've been using it for a few months with the carb flange leaking but this problem is really making driving impossible! I'll check the idle jet when I'm home and report back
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