Quote:
Originally Posted by AlanM
It could be one or more leaking injector seals. It's easy to check, just take the plastic cover off (3 × 8mm hex head screws). It should be nice and clean under there.
If a seal is leaking it coats everything with a light film of diesel which burns off as the engine gets hot, and ends up like bitumen.
Be very careful tightening the injector clamps, they look strong but they're very brittle.
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This - or the injector return line, when it breaks it fills the rocker cover with diesel which then smokes up and you smell it in the cabin.
I've had both the injector seals and the injector return line crap out on my TDCI Focus