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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Engine Controls - Self-Diagnostics - 6.6L Diesel) >> Diagnostic Tests >> DTC P1093: Fuel Rail Pressure Out Of Range >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The difference between commanded fuel pressure and actual fuel pressure is more than 20 MPa; or the FRP Regulator Fuel Flow is more than 15,000 mm3 at 800 RPM, or more than 38,000 mm3 at 2000 RPM.