I believe that the carb is getting too much air so it won't idle. There may be other issues external to the carb that might cause this, but I won't get into that here. Discussion in 'Mech Tech' started by Harryankle, Jan 18, 2012. It evolved from the 28 PICT which became the 30 PICT in 1968. (In this case, a 34PICT/3 model) ~~~ Brosol 30/31 Carburettor. This is the only thing in the Solex carburetor that would cause this. SMIG1003. Solex 34 PICT-5 won't idle. Re: 34 PICT 3 adjusting Post by Amskeptic » Fri Aug 24, 2012 1:42 pm Sylvester wrote: Adjust the screw on the top of throttle lever so that it just touches the fast idle cam. If it doesn't open you won't idle! Doesn't matter if warm or cold. The 34 PICT-3 was used on the Volkswagen “Beetle” from 1971 until 1974. The extra jets given with the kit are a larger 60 main jet and 130 idle jet. Idle speed should be set at approximately 850rpm (+-50rpm), a little … Would not idle off choke whatever I did. 4. Up until recently it has run perfectly. Email to a Friend. Idle Cutoff Valve, fits Solex 30/31 Pict and 34-PICT-3.....#15-0842; Idle Cutoff Valve, fits Solex 30/31 Pict and 34-PICT-3.....#15-0842. I have a manual 1.6 Golf with a Solex 34 PICT-5 carb. Yes, I have a fuel filter. It has a brass bushing inside on the left & right side and these will suck air past after years of use. This valve closes when the key is off, preventing "Run on". At idle, you can take some spray carb cleaner and spray directly onto the left and right throttle shaft rotation points. Stock jetting in this VW 34 Pict 3 carburetor is a 55 idle jet and a 127.5 main jet. After the engine is fully warmed up, adjust the idle with a screwdriver at the large Air Bypass Screw on the left side of the Carburetor. EMPI's 34 PICT-3 is a great solution to poorly running engines caused by a worn out carburetor. ... On the other side of the coin, if your cutoff valve is bad, your engine won't idle at all. smig1003 Forum Member. how do you adjust the idle screws on a solex carb. To test your valve, turn on the … i HAVE A SOLEX 34 Pict 3 Carb on a 71 bug. 3. Fast idle cam on a solex 34 pict 3 carb question. The problem is once warm the engine runs fast. O2 Sensor Bung and Plug, Stainless Steel (18 x 1.5mm Threads) Stepped cam which holds a fast idle … Joined: Mar 26, 2014 Likes Received: 4 Location: Derbyshire. 15. Doesn't idle? Fair enough I was quickly sent a replacement after explaining that I was able to swap back to the Bocar and everything was good again, repeated this twice to confirm. Hello everyone I have refurbed my carb and it starts and runs really well. Bypass screw which adjusts the idle speed. Counter-Clockwise increases the idle, Clockwise decreases the idle. Harryankle. 1. Fast Idle screw which works with the stepped cam to set the idle speed with the choke on. Volume screw which adjusts the idle mixture. Discussion in 'Mk1' started by smig1003, Aug 19, 2017. My carb is a 34 pict-3 my car keeps cutting out and will not idle even at higher speeds it cuts out I tried adjusting the screws but it doesn't seem to make a difference The ones i touched are on the … The most common leak area on a PICT 34-3 carburetor is the throttle shaft. Idle Shut Off Valve, 34-3, 34-4, and 34 PDSIT 2/3 Carburetors, 049-129-412C Is the valve on the side of the carburetor that provides air to the idle circuit. So I decided long term I want a Solex 34 pict 3 with the W Germany logo....bought a refurbed one off someone with a very good record. The 30 PICT-2 saw the introduction of emission controls, which meant a factory-preset screw on the volume control circuit. As soon as I take foot off throttle, it dies. 2. One possible cause of this problem is a clogged idle jet or idle passage in your carb(s), particularly if this came on all of a sudden. 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