Any cat guys on here? LEE troubleshooting

[Mr Hagg]

Id check fuel pressure first to make sure we got enough fuel flow. Get someone to test drive it with you hooked up and look over fault codes in both folders. Sometimes it will log it intermediately. Also when it does it you can start cutting our cycl. and find the one bad while going down the road. If you fill that no one injector is the cause I'd look at timing sensors either the crank or the camshaft. I got one here now been giving me fits. No codes either. So it went on and pulled the injector harness and found the IVA wires had rubbed into...