General coil pack

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General coil pack

johnwel

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Aug 3, 2012
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hi folks this is my first post, i've been on the sight for a while now but just looking as i can usualy find the answers i want but i've got a problem with my punto 1.2 16v active sport. it's missing when i rev it up or try to accelerate, it seems like it runing one or two cylinders. i've seen the posts
about the cars with two coil-packs with two HT leads off each one but mine has one coil-pack with the four HT leads coming out of it.
i was woundering if anyone could point me in the rite direction.
I'ts an 04 reg thanks in advance.john:confused:
 
the 16v's use a Single coil pack
ie 1 input connector - 4 high voltage outputs

The 8v's use whats called a wasted spark system
When cylinder 1 is on compression to spark
Cylinder 4 will also spark on the exhaust stroke - but it wont do anything.... a waste spark really - hence the name

ziggy
 
thanks for that i'll try it when i get home tonight.;) john
 
I'd check the leads first. The OE ones die after 3 or 4 years, and it's damp and cold.

Easy test, remove as much of the ait filter stuff as you can, and, in the dark, get someone to rev the car up. Blue flashes point to a problem with the leads.

its often a pin hole burnt through the plug cap on a 16v, you have to pull them out to see the spark jumping out the hole
 
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