Diesel 'misfire'

Dead injector? (though would expect the MIL to be on if that were the case)

Tim..

It looks as though you may be right.

If I disconnect one it makes no difference while disconnecting the other 3 it won't start.

Any input on replacing appreciated.

OK it seems I need a tool to get it out, I am on that.

Before I pull it though I would be best equipped knowing what to do with it once it is out.

Am I likely to be able to clean/unblock it? Assuming that is the problem.

Should I take it to a specialist?

Would I be best to replace it?

Cheers,

Rick

Bear in mind that some injectors are very expensive now , take care of them, don't use makeshift tools on them for instance . A diesel specialist should be able to test the injector and either recondition it or supply a factory service exchange one.

Yeah, I am trying to get a special socket for it. There is a place locally who will test it for £12.

A recon one is £120 apparently.

Re-conn-ing of common rail Piezo type injectors is not possible for starters. Some claim to be able to do it, but they are usually worse after than before (if even working)

Re the JTD- you will require the puller to remove the injector from the head, but they can sometimes be popped out by cylinder pressure- carefully!

If they are Bosch or Delphi injectors, there are 3 types. You need 4 all the same for the thing to work. If you want to change say from type 1 to type 2 or type 2 to 3 then the ECU will need the correct software to work with the injectors fitted.

If you replace 1 injector and keep the other 3 old ones, then the ECU should be put thought its learn cycle with an FCR to learn the characteristics of the new one.

I personnally would let the dealer do it, despite the cost.

Tim..

I might do that, it's just that I can REALLY do without the expense right now.

Fekking cars.

The piezo type injectors are only fitted on late model cars. I presume your car has a traditional rotory type injector pump, because if it was common rail it wouldn't start if any injector was disconnected. If this is the case then there is no problem if you think you can get the injector out without wrecking anything. Strictly speaking, all the injectors should be serviced together but the car will still run fine just servicing one injector.

John

JTD = uniJet Turbo Diesel = Fiat first generation common rail diesel.

Don't bother with the recon, buy new. I pay £110 (+v) for new bosch injectors (Merlin diesel, if you are anywhere near Preston), recon common rail injectors never work properly, or for very long.

As far as removing it goes, take of all the fastenings, make sure that all the pipes and wiring are tucked well out of the way. Give it a good squirt of easy start, place several layers of heavy cloth over the injector, shut the bonnet and crank. There will be a big bang, and your injector will be out. Don't worry about damaging it, it's scrap anyway.

there's no shit coming out of the back,

That isn't normal!

Some common rail systems will still run with an injector disconnected.

Apologies. I thought he meant that he disconnected the diesel feed to the injector and not the electrical connection. John

A local mobile guy has whipped it out and disappeared with it, it's a good job I didn't try to do it myself, I was barking up the wrong tree and would have at best managed to turn it into 2 pieces of injector.

I can't find a Haynes manual which covers this engine. Are there other flavours of car manual I could look for?