Vehicle & Technical > Discovery

Mis-firing Td5

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Jimbo:
The Disco's poorly........it only seems to be running on 4 pots. If I re-start the engine then it runs fine - but not for very long (maybe 10 mins), after which it's back to 4 cylinders. My Nanocom reckons that injector 2 is having 'issues' - two error codes have been logged 'injector 2 open circuit' and 'injector 2 peak charge too long', does anyone know what these errors mean (other than £400 for a new injector  :shock:)

It's a '52 plate Td5, 108000 on the clock - and last time I checked (a while ago), no sign of oil in the injector harness, although I will check this again later today.

Jim

Jas278:
For £28.00 Id try a harness first ...................

Jimbo:

--- Quote from: Jas278 on June 30, 2008, 21:39:06 ---For £28.00 Id try a harness first ...................

--- End quote ---

Very good point - but even if there's no oil in it ? (which I haven't checked yet)

Porny:
Hello...

First, get the rocker cover off and check all the plugs are correctly latched - there was actually a problem at one point the plugs not being plugged onto the injector correctly.  Also pin the harness out with a multimeter to check for faults (can even pin back all the way to the ECU - easier in a Disco)

Next...
Ideally, by process of elimination you should swap the injectors round - and put number 2 injector into a different cylinder and see if the problem follows the injector.

As it's just one injector then unfor. it does sound like the injector is to fault.  


Ian

Jimbo:
Right, I'm off outside to try all the above - do I really need a special tool the get the injectors out, or is there a way of 'making do' ?

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