Quote:
Originally Posted by vtl
What diagnostics did they do on the injectors?
If you suspect a leak then they should be tested.
I would suggest removing all of the injectors, and flipping the fuel hardlines upside down, then remount the fuel injectors back onto the fuel hard lines. What you should end up with is all 6 fuel injectors connected to the fuel lines, but pointing upwards.
Remove all injector electrical connectors and give it a few cranks to build rail pressure (the cranking engine will build pressure in the mechanical HPFP). Keep a small clear bottle under each fuel injector and look for leaks while the car is off and sitting.
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I am not sure what they did to refute the need for changing injectors, I doubt it was anything more than check error codes, and as there was none they figured all was well.
I am noticing that a lot of places will only react to error codes.
Anyway, I like your suggestion however I am sure I would make a mess of it and cause further issues. I think the N55 injectors are cheap enough ($150) to just replace them.