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To update this:
Turbo has been changed
Valve cover gasket - did show signs of oil sealing under the seal. It was extremely brittle and hard like plastic.
Compression test - 370-390psi cold test with all plugs removed. Dry test.
Egr resolved
Only one fault left, the fuel filter heater. It’s 18-21c here at the moment and smoke has been steady since it was discovered.
I’ve cleaned the injectors and throughly cleaned the egr.
Leak back test complete and results were:
Leak back - idle 6 mins
Cyl 6 18ml (3ml)
Cyl 5 16ml (2.6ml)
Cyl 4 16ml (2.6ml)
Cyl 3 same as above
Cyl 2 15ml (2.5ml)
Cyl 1 18ml (3ml)
5 mins cycle
6 - 14ml
5 - 13ml
4 - Same “
3 - 11ml
2 - 14ml
Only things left to check is turbo return pipe for blockages and crank case breather. This continues to have wet oil in.
Other than above, what else could this be?
Valve seals?????
Smoke appears to be better with map unplugged, but need to carry out more tests. The black smoke is 90% better. Blue still remains.
Blue smoke gets thicker as it warms up and more obvious. A few flicks of the throttle and it clears. But, it it’s smoking at idle and your hold revs at 3k you get a screen of smoke which continues for over 30 seconds. Need to time how long until it passes though.
Any thoughts?
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