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[Steve B]

My next move is to run this line to the positive on the batt..

[VXL V6]

How have you joined the new plug to the loom?

New plug had a 6 inch tail...Every join was soldered. Fault is not worse so joins all ok that im sure of. 

Cool, I'd make sure it was well insulated from water ingress in that lovely part of the engine bay!!! 

[Kevin Wood]

My next move is to run this line to the positive on the batt..

That's an ignition switched line, though. 

[Steve B]

My next move is to run this line to the positive on the batt..

That's an ignition switched line, though. 

I dont intend to leave it there permanently... Just wanted to leave it there temp.Will that be ok.. And the ignition one still plugged in

[Steve B]

My next move is to run this line to the positive on the batt..

That's an ignition switched line, though. 

That live feed shown in red is live when ignition is on and shows 11.7v on meter...Thats not good
When ignition is off that same wire then becomes a Negative.

Meter across Batt shows 12.2v 

[Marks DTM Calib]

It becomes a neg when off as the loads present on the feed will provide a route to ground

[Steve B]

It becomes a neg when off as the loads present on the feed will provide a route to ground

So therefore i can run a live feed straight from the Batt + Only while ignition is on.. Is that correct.

[05omegav6]

It becomes a neg when off as the loads present on the feed will provide a route to ground

That explains the magic fire I made when I 'earthed' the suppresor lead to the plenum and then connectect the plenum vac connection to the battery neg terminal

Engine might have been running at that point, can't remember

[Steve B]

So what i decided to do to test that feed was....

1. Ignition on.
2. Link into it with a live feed from the + Batt.
3. Run the car up to temp.
4. Then watch that bleeding light flash and give me the 300 & 306 code.
5. Remove link from + batt.
6. Engine off.
7. Torch car

[JamesV6CDX]

What's the history around this problem and how / when did it first present?

Is it missing on all three on the 246 bank?

Have you looked at all the live data especially lambdas?

Sorry I've not read the thread in detail, please feel free to point me at any related threads

[Steve B]

What's the history around this problem and how / when did it first present?

Is it missing on all three on the 246 bank?

Have you looked at all the live data especially lambdas?

Sorry I've not read the thread in detail, please feel free to point me at any related threads

Hi again James To answer your questions in order ..

The problem started on the first turn of the key after Having..new stat/cambelt/water pump/..Breathers/plugs/Fuel filter.
It sounded bad like a lifter had lost its oil..a real bad knocking and instantly thrown up p0300 then p0306 then p0304.
since then it had a brand new Bosch 246 coil pack put in.. And no change..
It only fails once warmed up to temp. But from start up you can tell when listening to it that its sort of firing on all 6 but you can tell one is slightly missing...

Once you get the 300 code up all cylinders start to fall on that bank 6 then 4 then 2... Ecu shuts the fuel off

Live data Took some again today... Will up it on my next post 

[JamesV6CDX]

Can I come and take a look? No charge

[JamesV6CDX]

You probably know this already, but the ecu cutting the fuel upon detecting the misfire is normal behaviour

[JamesV6CDX]

I have to ask this, just from a fresh eyes perspective.

I have no idea who installed the belt. So I mean no offence. If it was one of our regulars eg daz/serek/pete etc I don't suspect it.. But if it was an unknown to OOF, are we sure the valve timing is ok?

No offence meant at all, but it's a big co incidence it's just started immediately after it's been apart, so have to consider these possibilities

[Steve B]

I have to ask this, just from a fresh eyes perspective.

I have no idea who installed the belt. So I mean no offence. If it was one of our regulars eg daz/serek/pete etc I don't suspect it.. But if it was an unknown to OOF, are we sure the valve timing is ok?

No offence meant at all, but it's a big co incidence it's just started immediately after it's been apart, so have to consider these possibilities

To put your mind at rest on that one ...Daz...