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[tunnie]

I'm hoping Jonny is going to post shortly that following replacement coil packs its working, fingers crossed 

[omega3000]

I'm hoping Jonny is going to post shortly that following replacement coil packs its working, fingers crossed 

Yeah , feel sorry for him ... he must be ripping his hair out  Hope you make some headway with it 

[jonny2112]

Sorry guys, no news yet. Changed the nearside pack as it was still showing misfire on 4, but the battery's flat 
Charging it now so should know later 

[jonny2112]

Replacement packs have made no difference 
Need to get the codes cleared and see what shows up.
I'll need to start looking elsewhere now though, as providing the packs are ok, then I'm not sure it's ignition based problem.

[tunnie]

Replacement packs have made no difference 
Need to get the codes cleared and see what shows up.
I'll need to start looking elsewhere now though, as providing the packs are ok, then I'm not sure it's ignition based problem.

Bugger 

I double checked, I sourced them from Elite Pete, known working when he removed them. At a loss now as to what suggest   

[Marks DTM Calib]

Replacement packs have made no difference 
Need to get the codes cleared and see what shows up.
I'll need to start looking elsewhere now though, as providing the packs are ok, then I'm not sure it's ignition based problem.

The coil packs never were going to solve it, it was lottery odds.

Did you do a compression test?

If I get chance, I will re-aquaint myself with the wiring diagrams now I am back from Brazil

[jonny2112]

Me too 
Back to the beginning I think. I can't see it being anything to do with the stat, unless the b bolt and engine mount plate can foul anything in that area? Don't really want to disturb it again as the coolant seems ok, etc.
I can't feel or see anything trapped in the cam covers, and although I don't really want to remove them again (I did remove and inspect at the start of this) I may have to. I have had the plenum and inlet off and on several times and don't believe I could be doing something wrong in that respect on every occasion?
There's nothing to the sandwich plate either, providing all seals are present.
Suppose I may have to inspect the timing again, ensuring tdc, though I don't believe the problem lies there. It would just be something else to rule out ...... again!
Tried a garage with no joy. I guess Vx might just be the same, only more expensive 
Compression test too I think, just to check.

Although I don't understand engines, etc I did think the replacement coil packs were the answer 

[jonny2112]

Replacement packs have made no difference 
Need to get the codes cleared and see what shows up.
I'll need to start looking elsewhere now though, as providing the packs are ok, then I'm not sure it's ignition based problem.

The coil packs never were going to solve it, it was lottery odds.

Did you do a compression test?

If I get chance, I will re-aquaint myself with the wiring diagrams now I am back from Brazil

Sorry, missed this!
I'll need to do the compression test, and thanks.
Car still starts perfectly, and runs without much ado. If it ran perfectly but was noisy, then I'd consider lifters, but I think there's more to it than that .....

[Andy H]

If it happened after you did the work then I still think that chances are it was something you touched (think about every electrical connector and vacuum pipe you touched)

[jonny2112]

I had initially moved away from that idea. Partly because of the noise, and as I thought I had checked everything.
I agree with you though, that its just too coincidental, and I need to retrace my steps again.
If only I had an idea 

[tunnie]

Breather pipes on in right order? 

[Marks DTM Calib]

I had initially moved away from that idea. Partly because of the noise, and as I thought I had checked everything.
I agree with you though, that its just too coincidental, and I need to retrace my steps again.
If only I had an idea 

Do make sure you have not connecetd the gearbox breather to the breatehr bridge by mistake and left the engine breather dangling.

Is there a loudish sucking sound from any area?

[jonny2112]

Breather pipes on in right order? 

Think so. The fl has the distinction of different sizes for dummies like me!

[jonny2112]

I had initially moved away from that idea. Partly because of the noise, and as I thought I had checked everything.
I agree with you though, that its just too coincidental, and I need to retrace my steps again.
If only I had an idea 

Do make sure you have not connecetd the gearbox breather to the breatehr bridge by mistake and left the engine breather dangling.

Is there a loudish sucking sound from any area?

No sucking that I can hear, particularly over the other noise.
Going to strip it back down to the stat again, as far as it was initially, in the event that I can find something I may have disturbed though not been specifically working at. Fairly confident in putting the plenum and inlet back together and don't think I've made any mistakes there. I'll check the breather box and the individual injectors too, though didn't really want to upset them.

[jonny2112]

Right. Down as far as sandwich plate. No visible obstructions. Don't see any point really in removing it?
Gearbox breather loose. Large and small breather pipes connected to the box. No obstructions or anything to o/s cam cover.