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2002 CHEVROLET EXPRESS

6.0L V8 VortecRWDAUTOMATICgas
Repairs0Labor593Torque4889Fluid7DTC745Battery1Maintenance0Recalls0
P0190moderate severityPowertrain

Fuel Rail Pressure Sensor Circuit

on 2002 Chevrolet Express 6.0L V8 Vortec · RWD

What this code means

Malfunction in the fuel rail pressure sensor circuit.

Symptoms

  • Check Engine Light
  • Poor running
  • Hard starting
  • Stalling

Common causes

  • Faulty fuel rail pressure sensor
  • Wiring issue
  • Low fuel pressure

Diagnostic steps

  1. Test sensor output
  2. Inspect wiring
  3. Check fuel pressure

Repair notes

Replace fuel rail pressure sensor or repair wiring.

Other Powertrain codes on this vehicle

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