P2146 Diagnostic Trouble Code Discussion for July 2017
Injector Positive Voltage Relay Circuit Group 1 (Injectors 1 & 4)
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| Help Request | Posted | |
| 2011 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GT120C81B P2146: Injector Supply Voltage Group 1 Symptom 00. ... concern. Hooked up the scan tool and found I was getting .5 Mpa. Started reading about all the problems these LMLs have with CP4 so i replaced it with a new one from GM. Now i get roughly 10-12 Mpa, which is still not enough to fire, i think it needs 13 Mp... |
July 26, 2017 |
