Back to 2004 GMC Yukon

2004 GMC YUKON

5.3L V8 VortecRWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor503Torque3807Fluid7DTC779Battery0Maintenance0Recalls4
P0236moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Range/Performance

on 2004 GMC Yukon 5.3L V8 Vortec · RWD

What this code means

The boost pressure sensor A reading is out of expected range.

Symptoms

  • Check Engine Light
  • Incorrect boost levels
  • Poor performance

Common causes

  • Sensor fault
  • Boost leak
  • Blocked sensor port

Diagnostic steps

  1. Compare sensor to actual boost
  2. Check for boost leaks
  3. Clean sensor port

Repair notes

Replace sensor or repair boost leak.

Other Powertrain codes on this vehicle

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