Hi David, Thanks for your further observations which I shall follow up and pass on to my Jag man. You make a good point about the apparently damaged wire. I will follow up on that, too. Thanks, for the tip about an XJ40 part being the same/similar. Great advice! Hopefully, this problem will be sorte...

David,
Just received this pic which shows a wider view as you requested. Hoping this may be of more help in your, (very much appreciated) diagnosis.
Cheers
Peter

David,
I've now managed to get a pic of the alleged problem part as you asked for. Hope this will identify it. Thanks.

Hi Paul,

Thanks for that re-assurance that the part (assuming it's the correct one) is available.
As he has had the car for such a long time now it's why I'm getting more deeply involved.
I'll check my local Jaguar dealer, Hendy, to start with.

Peter.

David,

Thank you, again. This, I'm sure, will be very helpful. I've sent my man your text and diagram and asked him to send a photograph.
When received, I'll relay it to you.
Club spirit at its best!!

Good morning David, I much appreciate your help on this. Thank you! I've passed along your comments and hope to get the problem resolved. He tells me he is having difficulty finding a replacement part. Can you recommend a source other than SNG Barrett? Is the part common with other models of Jaguar,...

David, I think you've hit the nail on the head! That explains the symptoms and effects to a tee. In addition, I have read AJ6 Engineering's website that the ECU needs modifying (by AJ6, naturally!) to allow for adjustment for the drop off of manifold vacuum in a high mileage engine (like mine!). Wha...

hi Paul, Yes, he has confirmed there is a spark at the plugs at all times. He did replace the 'spark amplifier module' because he commented that the sparks were not "blue" but were yellowish and, therefore, slightly weak. I thought a spark was a spark but he insisted this isn't the case. Notably, th...

Thank you Steve. I will relay this info to my "expert".
Cheers.

Hi davidr Thanks for your welcome to the forum. To answer your question, I don't know whether the problem is electrical or fuel. The rub is, neither does the "independent Jaguar expert" in whose hands it has been for several months! His latest attempt is to replace the (his description)...the "Therm...

I have a 1985 XJ-SC with a 3.6 AJ6 engine (manual 'box). The car has been in the hands of an independent Jaguar mechanic for many months now, who can't seem to fix the problem of the engine cutting out after idling for anything between 15 - 30 minutes. Or, as happened to me twice, just cutting out w...