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Old 25-04-2006, 03:10 PM   #1
alpineau
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Default Coil Problems

Hi Guys

I have a problem i believe with a coil in my car. At the moment i have a nasty miss and i have changed the leads and plugs about a 2 weeks ago which fixed the poblem, well now it's back.

My question is if a coil is gone then would that mean both leats running of it would fail. I ask becuase at the moment lead 3 is not firing but lead 4 is and there both runing off the same coil.

So i guess my question has the coil failed, need replacing or is there another problem that could be causing this.

Any help would be appreciated

Thanks Guys
Alpineau

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Old 25-04-2006, 03:37 PM   #2
JC
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The coils are all part of one coil pack. You have to replace the lot, not just one. And yes, the coil could have failed. See if you can hook the car up to a scan tool - it should tell you if the coil is faulty.

I also have an intermittent miss with mine, but it seems to be the spark plug leads not pushed on properly - I fixed it again this morning by pushing no 5 & 6 leads on better, and it saeems to have fixed it so far.
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Old 25-04-2006, 10:58 PM   #3
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Thanks JC

The car is under warranty so i think i will take it back and see if they can fix it, I did a bit or searching on the forum and noticed other people had a similar problem and was costing anywhere from 120 - 400 to fix.

I hope warrany can take care of it.

Cheers
Alpineau
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Old 26-04-2006, 04:57 PM   #4
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Quote:
Originally Posted by JC
The coils are all part of one coil pack. You have to replace the lot, not just one. And yes, the coil could have failed. See if you can hook the car up to a scan tool - it should tell you if the coil is faulty.

I also have an intermittent miss with mine, but it seems to be the spark plug leads not pushed on properly - I fixed it again this morning by pushing no 5 & 6 leads on better, and it saeems to have fixed it so far.
How do you push them on JC? On a garage creeper from underneath, or from above?

GK
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Old 26-04-2006, 11:02 PM   #5
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Quote:
Originally Posted by GK
How do you push them on JC? On a garage creeper from underneath, or from above?

GK
On the coil - I do from above. Remove the airbox and snake left arm in under the manifold - torch in right arm, funny neck angle and you can see what you're doing.

But my leads were actually loose at the plugs, not the coil (though I did check the coil too).
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The Hammer: FG GTE | 376rwkw | 1/4 mile 11.793 @ 119.75mph 1.733 60' (4408lb)
1 of 60 FG MK1 335 GTEs (1 of 118 FG Mk 1 & 2 335 GTEs).
Mods: Tune, HSD/ShockWorks, black GT335 19” staggered replicas with 245 & 275/35/19 Michelin Pilot sport 5s

Daily: BF2 Fairmont Ghia I6 ZF, machine face GT335 19” staggered Replicas with 245s and 275s, Bilsteins & Kings

FPV 335 build stats: <click here>

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