Spoke a bit too soon. Major loss of power on hottest day of the year at 85mph. 274,000 miles. No CEL. Limped home, found intercooler/TB connection obviously weeping, turbo inlet weeping, and intercooler cracked at the inlet...channel locked and hammered the intercooler back together, $20 of JB weld, than removed the sleeves on the intercooler outlet hose. Removed, cleaned and reinstalled turbo inlet. Inlet is super soft at the turbo connection, maybe I should replace it. Checked turbo, has axial play but is not contacting yet, no sign of seal leak. added a new ground wire from passenger side of block to frame, since OG one was obliterated 150k ago...
Drivers CV boot went again...so that’s on the list now.
Back up and running fine, idles much better and pulls ok. Max boost is only 8psi. Arg.
Checked wastgate, it’s not shifted.
Pulled hose on waste gate, hit 15-17psi no problem.
AFR seems fine, not lean unless I hammer it.
Timing is +25-40 never drops below 10....tested boost solenoid, it’s fine and clear.
Changed the PCV valve while I was in there.
Made a boost leak tester but damn what a pain sealing up the inlet is.
I’m using Bluetooth adapter and iPhone, seems I need to just buck up and get learning view via OpenPort cable to diagnose this one. I just want 4 more psi, I’m at 6400’. Wonder how I can tell if I’m knocking with my Bluetooth adapter and iPhone. Uppipe shield is rattling, wonder if computer is sensing it as knock.