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audi q7 black smoke

1
hello. helpme.
 audi q7 motor 4L 3.0 , very black smoke for ralentí.
 vagcom block 13, injector 2 = 4.99 mg/sc (good -2.99 to 2.99).
 injectors all news. code injectors is correct.
 is posible error software ? solution?
 very thanks
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2
(09-05-2019, 12:40 AM)pipina Wrote: hello. helpme.
 audi q7 motor 4L 3.0 , very black smoke for ralentí.
 vagcom block 13, injector 2 = 4.99 mg/sc (good -2.99 to 2.99).
 injectors all news. code injectors is correct.
 is posible error software ? solution?
 very thanks
Move inj 2 to other piston and from that piston put inj to piston 2.

If correction value of inj 2 (moved to a different piston) remains the same inj is defective if not engine have a problem on piston 2

Hope is clear enough what I write

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Thanks given by: KriyenKPp , pipina
3
clauberty Wrote:
pipina Wrote:injector one and two interchargers and write code but ídem data for injector 2.
problem for piston 2? valves?
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4
If injector is mounted correctly problem with piston or valves

Make a compressions test

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