What does high to low side open mean?
What does high to low side open mean? “high to low side open” or “circuit” codes found after the injector buzz test indicate that the signal from the IDM is not reaching the injector solenoid. Check UVC wiring (connecting to injector solenoid), external wiring to gasket pass-through harness at valve cover, and/or replace IDM. What is DTC code for Ford 7.3 Powerstroke? Ford 7.3 Powerstroke Diagnostic Trouble Code List DTC. If you are getting a check engine light on your 94-03 Ford 7.3 Powerstroke Diesel engine, use a code reader to find out what the code is and look it...