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Apr 22, 2012 14:17:09 GMT
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Having some real carb trouble with a mk1 golf 1.5 gl auto I bought a month or so ago and I'm pretty sure it's a fueling issue I've done all the usual checks and replaced several parts but to no avail! I know it's something simple I'm missing but haven't had experience with carb'd engines for nearly 20yrs so I'm looking for help my area preferably mobile to come take a look before I spend a shed load of money replacing the carb with a weber
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Kieran
Posted a lot
Posts: 1,092
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Apr 22, 2012 15:39:55 GMT
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What's the problem with it?
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The Ashby Jackson fleet:-
1979 Mini Clubman 1.8 K series
1978 Skoda 110r Project 130RS K-oupe
1978 Austin Allegro 1500 SDL Estate
1984 BMW K100 Sidecar outfit
1999 Yamaha FZS 1000 Fazer
1991 Kawasaki ZXR400 race bike
2002 Kawasaki ZX9r race bike
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Apr 22, 2012 17:09:43 GMT
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Started of it was just missfiring under load and was hunting on tickover, which after
Talkin to a few ppl was told it was the carb seal between the carb and the inlet which I've changed which hasn't cured it I have also replaced the air filter, replaced and gapped the plugs, ht leads dizzy cap and rotor, new fuel pump and inline fuel filter! And now it wount even idle! I'm fresh outta ideas
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Apr 23, 2012 15:39:23 GMT
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Does it have a pierburg auto choke carb on it?
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Apr 23, 2012 18:13:09 GMT
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Yeah! Pierburg 1B3
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Apr 23, 2012 18:53:08 GMT
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Thats probably 99% of the problem lol.
If you can, try and get hold of a webber conversion, the Pierburgs are terrible - you may have a problem with the auto choke atm.
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Apr 23, 2012 21:18:30 GMT
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Thats I was thinking! Problem is it's an Auto it's not as straight forward as the weber kit for the manual which are avaiable from Vw heritage for £160
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Apr 23, 2012 22:28:42 GMT
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That could be an issue then. Easy test to try is when the car is at full temp, have a look at the choke flap & if it's not fully open try to jam it open (not from inside) and take it for a blast.
But if you can, ditch the pooburg.
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Kieran
Posted a lot
Posts: 1,092
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Apr 24, 2012 16:04:34 GMT
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Hunting idle / lack of tick over is normally caused by an inlet leak.
if the carb to manifold seal is good, is the manifold to head seal 100%?
You can sometimes trace air leaks by spraying wd40 or similar around the intake manifolds and listen for a change in exhaust note / smoke out the exhaust as it is drawn in to the combustion chamber.
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The Ashby Jackson fleet:-
1979 Mini Clubman 1.8 K series
1978 Skoda 110r Project 130RS K-oupe
1978 Austin Allegro 1500 SDL Estate
1984 BMW K100 Sidecar outfit
1999 Yamaha FZS 1000 Fazer
1991 Kawasaki ZXR400 race bike
2002 Kawasaki ZX9r race bike
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Apr 24, 2012 18:21:29 GMT
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I'll check that out at the weekend thanks Kieran and I bought a full top end gasket set the other week so already have the inlet gasket if it does turn out to be that
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Did you ever get to the bottom of this? I'm having very similar issues with a 1.5 gl auto.
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