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2008 GMC Sierra 2500 HD WT 6.6L Reduce Power Mode
commanded fuel pressure in stall to 26000 psi actual fuel pressure 24000 psi checked injector balance rate with scan tool idle: cyl1 .0 cyl2 .6 cyl3 -.2 cyl4 .0 cyl5 .3 cyl6 -.2 cyl7 -1.1 cyl8 .1 underload: cyl1 1.3 cyl2 2.8 cyl3 -1.2 cyl4 5.2 cyl5 .2 c...
FIX posted 10/16/2020
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Message Closed w/FIX
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5 Replies Received
5 Replies Received
Related Documents & Media | VIN | 1GTHK23668 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / common rail |
| Emissions | OBD-II Compliant |
| Symptoms | Reduce Power Mode |
| Occurs | Under Load |
| Misc. | Fuel Filter Housing and Pressure Release Valve on Left Head Replaced at Another Shop |
Trouble Codes
| P0087 | Fuel Rail Pressure Too Low |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 2500 HD WT
| VIN | 1GTHK23668 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / common rail |
| Emissions | OBD-II Compliant |
| Symptoms | Reduce Power Mode |
| Occurs | Under Load |
| Misc. | Fuel Filter Housing and Pressure Release Valve on Left Head Replaced at Another Shop |
Trouble Codes
| P0087 | Fuel Rail Pressure Too Low |
Video