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Hi all, I am having a b*gger of a time with trying to get my 2003 2.5 CRD through its ITV (Spanish MOT) it has done 194000 miles. when left to idle for a few minutes, then accelerator 'hoofed' there is a big cloud of white smoke, I mean, 'blank out the road' cloud of white smoke!! fast pull aways from traffic lights can be impressive!! everything else is OK. The engine is not losing water, so not a head gasket problem and I also think the fuel consumption is a bit wayward from what it was, so, I'm guessing that it is an injector problem. It has had an oil and filter change, had various injector cleaners through system, the 'stop smoke' additives etc but to no avail. I want to test the injectors, anyone know what the electrical resistance of the injectors are? and can anyone suggest other test methods without buying expensive test kit? I maybe able to borrow a IR temperature tester for the header pipes, to check if it is just one cylinder over hot or cold, in comparison to the others. Also, does anyone know what the cylinder compression test readings should be? I know the compression ratio but I can't seem to find what PSI/BAR measurement is to be expected when testing. Just wondering if bores or rings are worn out. Thanks in advance.

Hi all, first time I've ever used something like this but hopefully I can get some assistance. I had some knocking noise coming from my engine on my Grand voyager 2.8 Diesel automatic. my friend correctly identified the risers and injectors required replacing. My friend has replace the risers and injectors but now we are having issues getting the timing sorted, the engine won't rev past 2200 without knocking resuming. Any help would be appreciated, I have no mechanical knowledge but my friend is a mechanic so he will understand technical terms. Thank you Bob