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Home/DTC Codes/Mitsubishi/Eclipse/2000-2012 2.4L I4/P0089
P0089

Fuel Pressure Regulator 1 Performance

2000-2012 Mitsubishi Eclipse 2.4L I4 🇩🇪

Moderate SeverityPowertrain

Description

The fuel pressure regulator is not maintaining the commanded fuel pressure.

Symptoms

  • Check Engine Light
  • Fluctuating idle
  • Hesitation
  • Poor fuel economy

Common Causes

  • Faulty fuel pressure regulator
  • Vacuum line issue
  • Fuel pump weak
  • Restricted fuel supply

Diagnostic Steps

  1. Monitor fuel pressure at idle and under load
  2. Test vacuum line to regulator
  3. Check fuel pump output
  4. Inspect fuel lines

Repair Notes

Replace fuel pressure regulator.

Related Codes

P0087Fuel Rail/System Pressure - Too LowP0088Fuel Rail/System Pressure - Too High

Other Powertrain Codes

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Mitsubishi Colt JP

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Mitsubishi Colt JP

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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 P0089 mean on a 2000-2012 Mitsubishi Eclipse?

P0089 stands for "Fuel Pressure Regulator 1 Performance". The fuel pressure regulator is not maintaining the commanded fuel pressure.

What are the symptoms of P0089 on a Mitsubishi Eclipse?

Common symptoms of P0089 include: Check Engine Light, Fluctuating idle, Hesitation, Poor fuel economy.

What causes P0089 on a 2000-2012 Mitsubishi Eclipse?

Common causes of P0089 include: Faulty fuel pressure regulator, Vacuum line issue, Fuel pump weak, Restricted fuel supply.

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