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2003 TOYOTA AVALON

3.0L V6FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor591Torque2460Fluid6DTC734Battery1Maintenance0Recalls2
P1510high severityPowertrain

Boost Pressure Control Circuit

on 2003 Toyota Avalon 3.0L V6 · FWD

What this code means

The ECM detected a fault in the boost pressure control circuit on turbo engines.

Symptoms

  • CEL
  • Overboosting
  • Underboosting
  • Reduced power
  • Engine knock

Common causes

  • Faulty boost solenoid
  • Vacuum leak to wastegate
  • Stuck wastegate
  • Damaged wiring

Diagnostic steps

  1. Test boost solenoid
  2. Check vacuum lines
  3. Inspect wastegate
  4. Monitor boost levels

Repair notes

Replace boost control solenoid or wastegate.

Other Powertrain codes on this vehicle

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