ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free →
Home/DTC Codes/Mitsubishi/Eclipse/2000-2005 2.4L I4/P0234
P0234

Turbocharger/Supercharger A Overboost Condition

2000-2005 Mitsubishi Eclipse 2.4L I4

Critical SeverityPowertrainGeneric (SAE)

Description

The boost pressure has exceeded the maximum allowed value.

Symptoms

  • Check Engine Light
  • Excessive power then limp mode
  • Whining turbo noise
  • Possible engine damage

Common Causes

  • Wastegate stuck closed
  • Boost control solenoid failure
  • Boost pressure sensor fault
  • Blocked wastegate actuator hose

Diagnostic Steps

  1. Check wastegate operation
  2. Test boost control solenoid
  3. Monitor boost pressure
  4. Inspect vacuum lines to wastegate

Repair Notes

Address immediately to prevent engine damage. Check wastegate and boost control.

Related Codes

P0045Turbo/Supercharger Boost Control Solenoid Circuit/OpenP0046Turbo/Supercharger Boost Control Solenoid Circuit Range/PerformanceP0049Turbo/Supercharger Turbine OverspeedP0235Turbocharger/Supercharger Boost Sensor A CircuitP0236Turbocharger/Supercharger Boost Sensor A Range/Performance

Other Powertrain Codes

P0234 on Other Vehicles

Mitsubishi 3000GT

1991-1999 3.0L V6

Mitsubishi 3000GT VR-4

1991-1999 3.0L Twin Turbo V6

Mitsubishi 3000GT VR-4

1991-1999 3.0L V6 Twin Turbo

Mitsubishi Colt JP

2002-2012 1.3L I4 4A90

Mitsubishi Colt JP

2002-2012 1.5L I4 4A91

Mitsubishi Delica D:5

2019-2025 2.2L I4 Turbo Diesel 4N14

Mitsubishi Diamante

1992-1996 3.0L V6

Mitsubishi Diamante

1997-2004 3.5L V6

Common Questions

What does code P0234 mean on a 2000-2005 Mitsubishi Eclipse?

P0234 stands for "Turbocharger/Supercharger A Overboost Condition". The boost pressure has exceeded the maximum allowed value.

What are the symptoms of P0234 on a Mitsubishi Eclipse?

Common symptoms of P0234 include: Check Engine Light, Excessive power then limp mode, Whining turbo noise, Possible engine damage.

What causes P0234 on a 2000-2005 Mitsubishi Eclipse?

Common causes of P0234 include: Wastegate stuck closed, Boost control solenoid failure, Boost pressure sensor fault, Blocked wastegate actuator hose.

View Labor Times | View Torque Specs | View Fluid Specs