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2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on, P0089 p0090
Fuel pressure at Idle is 9865psi desired fuel pressure is 5800psi. Shut down engine fuel pressure drops to 220psi within 5 minutes. No fuel control using Tech 2 or Snap-on scan tool, increasing fuel pressure with scan tool just increases desired fuel press...
FIX posted 6/10/2019
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 1GCHK23295 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, P0089 P0090 |
| Occurs | Always |
Trouble Codes
| P0089 | Fuel Pressure Regulator 1 Performance |
| P0090 | Fuel Pressure Regulator 1 Control Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2005 Chevrolet Silverado 2500 HD
| VIN | 1GCHK23295 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, P0089 P0090 |
| Occurs | Always |
Trouble Codes
| P0089 | Fuel Pressure Regulator 1 Performance |
| P0090 | Fuel Pressure Regulator 1 Control Circuit Malfunction |
Video