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P1658

Wastegate Valve Control Circuit

2006-2011 Lexus GS 430 4.3L V8 πŸ‡¨πŸ‡¦

High SeverityPowertrain

Description

The ECM detected a fault in the wastegate solenoid circuit on turbo engines.

Symptoms

  • CEL
  • Boost issues
  • Overboost/underboost
  • Reduced power
  • Turbo surge

Common Causes

  • Faulty wastegate solenoid
  • Damaged wiring
  • Stuck wastegate
  • Vacuum line disconnected

Diagnostic Steps

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

Repair Notes

Replace wastegate solenoid.

Other Powertrain Codes

P1658 on Other Vehicles

Common Questions

What does code P1658 mean on a 2006-2011 Lexus GS 430?

P1658 stands for "Wastegate Valve Control Circuit". The ECM detected a fault in the wastegate solenoid circuit on turbo engines.

What are the symptoms of P1658 on a Lexus GS 430?

Common symptoms of P1658 include: CEL, Boost issues, Overboost/underboost, Reduced power, Turbo surge.

What causes P1658 on a 2006-2011 Lexus GS 430?

Common causes of P1658 include: Faulty wastegate solenoid, Damaged wiring, Stuck wastegate, Vacuum line disconnected.

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