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[MikeDundee]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

[Dazzler]

A faulty new pack??

[Taxi_Driver]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

What did Mark say was wrong??

Tho id say get rid of it.......obviously going to be new engine job.....i'll give ya £50 to take off yer hands  

[MikeDundee]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

What did Mark say was wrong??

Tho id say get rid of it.......obviously going to be new engine job.....i'll give ya £5,000 to take off yer hands  

OK no probs PM sent Well Marks thought it was something else, as well as potentially the DIS packs. Wether it's faulty DIS pack not sure, will change plugs at weekend and see what happens

[Taxi_Driver]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

What did Mark say was wrong??

Tho id say get rid of it.......obviously going to be new engine job.....i'll give ya £5 to take off yer hands  

OK no probs PM sent Well Marks thought it was something else, as well as potentially the DIS packs. Wether it's faulty DIS pack not sure, will change plugs at weekend and see what happens

But what tho  

Done deal fiver it is then  

[MikeDundee]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

What did Mark say was wrong??

Tho id say get rid of it.......obviously going to be new engine job.....i'll give ya £5,000 to take off yer hands  

OK no probs PM sent Well Marks thought it was something else, as well as potentially the DIS packs. Wether it's faulty DIS pack not sure, will change plugs at weekend and see what happens

But what tho  

Done deal five grand it is then  

Ok then fine  ;D

[MikeDundee]

.....changed the DIS packs at the weekend, took the car for a run evrything appeared fine ..however, since then the problem has returned, misfires ...........OK so did'nt change the plugs, have them on order and will change them on Saturday........cleared the stored codes tonight, started engine, was not happy at all, read codes again misfires on 3, 5 & 6, prior to this when first started engine after clearing codes EML started to flash then eventualy stay on, that has been the case most days with the EML since changing the DIS packs, and also prior to changing DIS packs after when the problem occured after returning from Newent.   I have read through the help section looking for similar problems and came across, spark plugs and possibly CATS............and yes MarksDTM you were probably correct in your diagnosis.....so comments suggestions please  

So I assume I am heading in the right direction ..or possibly something else??

[Marks DTM Calib]

As we talked about before, when you get breakdown around the plugs you often get arcing down the insulators of the plug body. When this happens metal is deposited on the side of the insulator and hence the fault is likely to return even with new DIS packs.

So, them plugs need changing.

[feeutfo]

Woo, packs buggerd the plugs as well! Will remember that one. One of my packs is looking a bit iffy. A phew tiny cracks on the iron core moulding but nothing thats gone through. Rubber is fine.

 Still wondering if silicone grease will help keep the rubber plugs in good nic and top seal a bit more water tight? Ford use it with their ht leads, or they did on my old mondeo anyway.

[Marks DTM Calib]

Woo, packs buggerd the plugs as well! Will remember that one. One of my packs is looking a bit iffy. A phew tiny cracks on the iron core moulding but nothing thats gone through. Rubber is fine.

 Still wondering if silicone grease will help keep the rubber plugs in good nic and top seal a bit more water tight? Ford use it with their ht leads, or they did on my old mondeo anyway.

Mondeos suffer badly from lead trouble so anything in this case might help.

Cant see it doing much for a coil apck as its either the boots that fail following an oil bath or the cores that got following corrosion.

In Mr Dundees case, the boots were so bad that moisture looks to have been getting in the spark has been tracking a cross the insulator which with time results in a layer of metal being deposited.

As a quick measure, this can be cleaned off with T-cut or jif.....

[MikeDundee]

Woo, packs buggerd the plugs as well! Will remember that one. One of my packs is looking a bit iffy. A phew tiny cracks on the iron core moulding but nothing thats gone through. Rubber is fine.

 Still wondering if silicone grease will help keep the rubber plugs in good nic and top seal a bit more water tight? Ford use it with their ht leads, or they did on my old mondeo anyway.

Mondeos suffer badly from lead trouble so anything in this case might help.

Cant see it doing much for a coil apck as its either the boots that fail following an oil bath or the cores that got following corrosion.

In Mr Dundees case, the boots were so bad that moisture looks to have been getting in the spark has been tracking a cross the insulator which with time results in a layer of metal being deposited.

As a quick measure, this can be cleaned off with T-cut or jif.....

Thanks again Marks for the replies, plugs should be here tomorrow, change on saturday, now another quick query regarding plugs, are these pre-set eg, do they need to be set with the feeeler guages?

[Marks DTM Calib]

Woo, packs buggerd the plugs as well! Will remember that one. One of my packs is looking a bit iffy. A phew tiny cracks on the iron core moulding but nothing thats gone through. Rubber is fine.

 Still wondering if silicone grease will help keep the rubber plugs in good nic and top seal a bit more water tight? Ford use it with their ht leads, or they did on my old mondeo anyway.

Mondeos suffer badly from lead trouble so anything in this case might help.

Cant see it doing much for a coil apck as its either the boots that fail following an oil bath or the cores that got following corrosion.

In Mr Dundees case, the boots were so bad that moisture looks to have been getting in the spark has been tracking a cross the insulator which with time results in a layer of metal being deposited.

As a quick measure, this can be cleaned off with T-cut or jif.....

Thanks again Marks for the replies, plugs should be here tomorrow, change on saturday, now another quick query regarding plugs, are these pre-set eg, do they need to be set with the feeeler guages?

Lol, not had to set plug gaps for a long time!

Fit straight from the box  

[MikeDundee]

Woo, packs buggerd the plugs as well! Will remember that one. One of my packs is looking a bit iffy. A phew tiny cracks on the iron core moulding but nothing thats gone through. Rubber is fine.

 Still wondering if silicone grease will help keep the rubber plugs in good nic and top seal a bit more water tight? Ford use it with their ht leads, or they did on my old mondeo anyway.

Mondeos suffer badly from lead trouble so anything in this case might help.

Cant see it doing much for a coil apck as its either the boots that fail following an oil bath or the cores that got following corrosion.

In Mr Dundees case, the boots were so bad that moisture looks to have been getting in the spark has been tracking a cross the insulator which with time results in a layer of metal being deposited.

As a quick measure, this can be cleaned off with T-cut or jif.....

Thanks again Marks for the replies, plugs should be here tomorrow, change on saturday, now another quick query regarding plugs, are these pre-set eg, do they need to be set with the feeeler guages?

Lol, not had to set plug gaps for a long time!

Fit straight from the box  

Thanks again ...knew I was right :-/

[MikeDundee]

Update.....changed the plugs today, and all appears fine now, see pics below of plugs removed, plugs from 1,3,5 2 of which were naffed and also loose prior to removal as was one plug on bank 2-4-6, anyway seems fine now, cleaned out all the crud from the plug wells etc., and you see my special tool to help remove some of the crud...so all going well back on the road again

Oh and these plugs were seemingly changed by Vx at 87k acording to my invoice that I kept, the car has now done almost 115k so did'nt even get 40k out of them

[SP_3.2]

Could just be my old eyes But 2 or 3 of the plugs look like they are twin core instead  of 4 quad core...

Glad its all better now