to remove the rest pressure, remove rpm relay and crank engine. then undo slowly and keep rag handy to catch the fuel. you can buy acetone from a chemist. Steve --- In doc-uk@xxxxxxxxxxxxxxx, Martin Gutkowski - DMC Ltd <martin@...> wrote: > > > > > > > Just saying thanks for the reply. I'm pretty sure the problem in fuel related, but I am no mechanic. I was watching the Garage on discovery last week and they were testing the injectors of an old Jaguar by putting a long screwdriver onto the injector, and putting their ear on the handle of the screwdriver, and listening to the injector to see if it was working. > > > This is a common trick on EFI injectors because they make a ticking > noise., Ours spray continuously and it has never worked for me :-) I > prefer to get them out and have a look. > > > If I took the metering head off, could I soak it in something (paraffin?) to dissolve any contaminates? > > > You can try soaking it in Acetone. Do the injectors too, but take the > seals off first. Ditto the O-ring under the metering head. > > >I would need to drop the fuel pressure in the lines before taking it off, any tricks in doing this? > > > The easiest thing to do is leave it for a day or two before taking it off. > > Martin > DOC UK Website: www.deloreans.co.uk Unsubscribe: doc-uk-unsubscribe@xxxxxxxxxxxxxxx ** Unless otherwise stated, all messages posted to the group are assumed public and may be printed in the club magazine ** Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/doc-uk/ <*> To unsubscribe from this group, send an email to: doc-uk-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/