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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0016-P0401)) >> DTC P0191 - P0193 >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different variant/trim than selected.
Actual Fuel Rail Pressure

Circuit Short to Ground High Resistance Open Short to Voltage
The Ignition ON, with the Engine OFF 
Parameter Normal Range: 0.5 MPa (72 psi)
5-Volt Reference 0 MPa (0 psi) Varies1 200 MPa (29,000 psi) 0 MPa (0.0 psi)
FRP Sensor Signal 0 MPa (0 psi) Varies1 200 MPa (29,000 psi) 200 MPa (29,000 psi)
FRP Sensor Low Reference - Varies1 200 MPa (29,000 psi) Note2
Fuel Pressure Regulator Solenoid Supply Voltage 71 MPa (10,300 psi)1 71 MPa (10,300 psi)1 71 MPa (10,300 psi)1 Varies1
1 Fuel pressure erratic
2 Opens circuit fuse or opens circuit