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Re: sequence for spark plug leads on a vw polo 1.4 1996
Hello darren625, the firing order will be 1-3-4-2, #1 will be at the front of the block,I am not familiar with volks wagon but you can disconnect the power (to be safe) turn the engine over by hand with plugs out for ease use a piece of stiff wire or small screwdriver in the #1 plug hole and you will feel the piston come up make sure it is on the compression stroke (you will feel air escape) when it is at the top before it starts to travel down that will be tdc (top dead center) the rotor will now be in line with #1 connect wires as per firing order and you should be good to go,hope this helps, good luck
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4 cylinder, firing order normally 1342. Take off distributer cap, set engine with number 1 cylinder on top of compression stroke. you may have to take out the number one plug, turn moter by hand and feel for compression with finger on hole. Look where distributer rotor is pointing and match with distributer cap. That will give you #1 lead position. Follow around cap in rotor direction and you will get the rest.
6 cylinder normally 123456. same story.
if you still have the old leads, they are sometimes marked and normally different lengths. if you lucky, and replace them, you can sometimes pick up which went where by the bends left in them over time. Then start again and mark them. I normally replace leads one at a time. Safer and easier. Or Photograph them with cell.
Most obvious thing to check is the path from the distributer to the plug. Start by removing lead from plug. Insert a nail or any metal object into the lead and rest it near to but not touching the metal of the block. If a spark leaps across to the block, then it could be the plug. If no spark try swapping one of the other leads for the one that is not working. If the swapped lead now sparks with the inserted nail then it could be the lead. This test will elliminate the spark plug and the lead for starters. If this does not find the fault examine the distributer cap inside. Good idea to wear rubber gloves to avoid shocks.
hi, there may be a number of things blocked SLOW RUNNING JETS ( inside carburetter), spark plugs need replacing or cleaning, high tention spark plug leads dodgy (cracked insulation) leaking current (missing spark), distributer cap and or rotar arm ( cap inside distributer), insufisient fuel feed. gerry
The firing order is 1342. The cylinders are numbered from left to right 1234. Depending on wether it is a 16 valve engine, the distributor cap lead number one position is at the front on the left, if its a normal 8 valve engine , the distributor cap lead number one is at the front pointing straight at the front. So, moving anti clockwise, the next lead will be number 3, then 4 , then 2.
have you isolated which cylinder is misfiring?
either way I would have a compression test done .. to find out which cyl is not firing pull 1 spark plug lead off at a time until you get the one that makes no difference
Girlfriend's 99 Polo had same issue. In fact it recurred yesterday! Anyway, am not expert, but it seems to be due to deposits building up inside distributor cap area and then getting damp in wet conditions, causing shorting of ignition 'signals'. Found solution is to clean inside cap every 6 to 12 months with a cloth and IPA (or water if you're stuck - just make sure to dry it properly!) and the problem goes away. Silly thing about her Polo is that there's no decent splashguard to protect the engine area from splashes from puddles etc. I've lost all respect for VW coz of the amount of silly things that have gone wrong with her car...! Hope this helps - sounds to me like it's exactly the same problem.