Vehicle & Technical > Discovery

TD5 misfire when cold

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solihull-mick:
Just a note my td5 does the same, im told its normal due to the rear cylinder no 5 not having a glow plug fitted from the factory and you cant fit one, thats just the way it is, hope this makes sense  :D

Porny:
David/Mick

Have you had a diagnostic check on your Td5's??

They should start from cold (esp. in this country) without a problem - even only having 4 glow plugs.

There are other things that can cause a misfire....

A dodgy injector
A faulty injector loom - oil leaking past the sealing is not the only problem they suffer from.
Crank sensor faults
Faulty ECU
Faulty Boost Controler (disco only)
Or a stuck/faulty EGR (although would show up at other times)

To name a few....  :wink:

Injector coding doesn't make 'that' much difference, and I don't think a faulty MAF/AFM would cause that (could do you one cheaper than most places if you want to try??)

Thermidorthelobster - have you still got your original ECU - as I think Autologic sell you a flash type one when you have one of their tunes (rather than change the chip inside :roll: ) - might worth plugging it back in.


Ian

smith335:
just to say,mine starts and runs fine from cold,
even when its freezeing.

hope this helps.

solihull-mick:
Ive allready checked for ecu codes, non found, dont bother me still goes like stink!!!! :lol:

thermidorthelobster:
I still have the original ECU (as a spare in case I dunk it) so I'll try it next time it's freezing cold.

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