Quote:
Originally Posted by scottmcphee
crack the nut (ccw, lefty loosey) holding the injector line to the injector, back it off a turn or two, while the car is running... does car get worse or stay the same when doing this? same -> you found the bad injector cylinder
Re-tighten it, move on, one at a time.
If you found a bad one, remove the injector 27mm socket, and remove a good injector too. swap them. Re-run car, repeat the cracking on those two cylinders, one at a time. Which cyl is bad this time? Did it move with injector, or not?
The injector is slightly harder to remove than it is to re-install at the specified torque.
Get a couple injector crush washers when you do this, when you're done with the experiment, pull the old ones out of the holes and put new ones down before you put the injectors back in the way you want them.
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The correct socket is ~3.5" long, thin walled, 22mm, having two vertical cuts in it to clear the return line barbs that fits down into the wells of the hemispherical head.....in short, its not as easy to do as it is on a 602, 603 or a 617.....much easier (and IMHO, appropriate) to check the motor mounts on a 606 first. They are a known issue.