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Author Topic: cylinder numbers  (Read 1999 times)

Offline gamestaffords

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cylinder numbers
« on: 04 April 2016, 06:43 »
Hi having ral problems with my car now i just want to check the cylinders are numbered 1 to 4 reading left to right??
Is this true? thanks
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Offline lemski

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Re: cylinder numbers
« Reply #1 on: 04 April 2016, 08:51 »
Im sure its cambelt side for 1. Whats the problem
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Offline The ANT

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Re: cylinder numbers
« Reply #2 on: 04 April 2016, 09:17 »
The front of the engine (where the belts and stuff is) has cylinder 1 and the back (gearbox end) has cylinder 4.
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Offline gamestaffords

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Re: cylinder numbers
« Reply #3 on: 04 April 2016, 10:46 »
Thanks all
 having problem with cylinder 4 misfire,., swopped plugs and coil pack but still getting cylinder 4,, the problem only started after changing the half moon gasket rocker gasket and replacing some breather hoses that crumbled while doing above job.. really starting to piss me off!!!!! any ideas lads as im out of them thanks 
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Offline lemski

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Re: cylinder numbers
« Reply #4 on: 04 April 2016, 18:32 »
Push down coild or bolt down? Swapped 4 n 1 about to see if the fault swaps to 1.
Earth bolted to the rocker cover tight?
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Offline itavaltalainen

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Re: cylinder numbers
« Reply #5 on: 04 April 2016, 18:34 »
Injectors OK?
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2019 Seat Leon ST FR DSG 135kW - eclipse orange - 23k miles

Offline gamestaffords

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Re: cylinder numbers
« Reply #6 on: 04 April 2016, 21:58 »
swapped packs and plugs and still got fault on 4 so think i can rule those out, also had the plug firing on top of the rocker cover so think the loom is ok(not 100% as there is splits in the wire casing but wire inside looks ok).
so itavaltalainen think you might be on to something,, any tips on testing them? can i just swap 2 round and see if the fault moves cylinder...
Thanks for all your comments as any straws to clutch to will help
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Offline itavaltalainen

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Re: cylinder numbers
« Reply #7 on: 04 April 2016, 22:02 »
Take them out and see if they spray nice and clean when you turn the engine over. Obviously disconnect coil packs so you don't blow it up :D

Also perhaps check the (low voltage) line to ignition coil with a cheap oscilloscope.
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2019 Seat Leon ST FR DSG 135kW - eclipse orange - 23k miles

Offline lemski

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Re: cylinder numbers
« Reply #8 on: 04 April 2016, 22:04 »
Just swap 2 injectors over. Id have thoigg that would bring up an injector voltage fault and not thrown misfire...
But ive never had an injector go down on a 20vt.
Ive got a fair few if you want to send the part number over and ill happly chuck one in the post
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Offline gamestaffords

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Re: cylinder numbers
« Reply #9 on: 04 April 2016, 22:16 »
going to try swapping 2 round but its something ive done im sure,, only got this problem after changing half moon and rocker gasket also changed the breather pipes,,, is there anything i could of done wrong or broke doing those jobs?
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