2013 GMC Sierra 2500 HD Denali 6.6L MIL Lamp on
P0191 passes all pinpoint test per mitchell one and suretrack, replaced sensor still code comes back,traced and checked wiring with voltmeter, passed and removed regulator and no metal found at regulator
FIX posted 7/5/2017
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Message Closed w/FIX
Vehicle Data2013 GMC Sierra 2500 HD Denali
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2013 GMC Sierra 2500 HD Denali
VIN | 1GT125E85D |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / DIESEL DIRECT INJECTION |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0191 | Fuel Rail Pressure Sensor Circuit Performance |