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2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on, P0089 p0090
Posted to GM Driveability on 5/8/2019 11 Replies

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...

11 Replies Received (View Replies)

  Related Documents & Media  2005 Chevrolet Silverado 2500 HD

 
Message Closed w/Summary

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23295
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, P0089 P0090
OccursAlways

Trouble Codes

P0089Fuel Pressure Regulator 1 Performance
P0090Fuel Pressure Regulator 1 Control Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23295
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, P0089 P0090
OccursAlways

Trouble Codes

P0089Fuel Pressure Regulator 1 Performance
P0090Fuel Pressure Regulator 1 Control Circuit Malfunction