Question about 1998 Volkswagen Beetle

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VW 1600 aircooled beetle engine

Throwing small flames from 3&4 exhaust now and again and seems as if not firing properly on 3 & 4 cylinders.Checked compressions,spark,reset tappets,replaced inlet gasket.Twin carbs set up of weber 34icts.
Can u help????
The vehicle is a 1974 model.

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  • rakatak May 31, 2008

    1974 aircooled engine DOES NOT have a timing chain or belt.

    Driven by gears on the crank and camshaft.

    Static timing is set and set with strobe after.

    I have since sorted the problem from a diffrent forum.

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I have a 1600 sp with a solex h30 pict3 and i set the volume screw 3 turns out and idle crew quater turn into choke cam i checked # 1 piston to top dead center and set the distributor to line up with the rotor head on the mark indicated on the distributer. turned engine on and put the timing light on it and it`s reading 30 degrees when i turn the distributor to get tdc it runs like **** and stalls. what am i doing wrong it failed emissions due to high hydrocarbons. got a reading of 674, carbon monoxide was good @ .12 spark plugs are clean . i`m baffled.? plse help thx . ken

Posted on Sep 02, 2009

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CHECK YOUR COIL OR YOUR DISTRIBUTERS A LITTLE OFF.. GOOD LUCK

Posted on Nov 19, 2008

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Timing is off due to a worn chain, belt or adjustment

Posted on May 30, 2008

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The Specific code "P0303" is stating that the Third Cylinder or Cylinder number 3 Is mis-firing, thanks to all that you have done this has narrowed it down to two "confirmed" possible problems;

The first is that the Exhaust VALVE itself may be "Burned" and the Second may be a Poor condition or "Faulty" Catalytic converter(s).

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Hope it helps you out, and good luck.

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