1987 Mitsubishi Starion ESI-RFACTORY OEM SERVICE PROCEDURE

Engine Performance: System: Turbocharger: Description

Turbocharger is mounted to exhaust manifold on right side of engine. Turbocharger components include turbine and compressor impellers, impeller shaft, bearings and impeller housings. Engine oil pressure provides constant lubrication to impeller.

Pressure actuated wastegate, located at front of compressor housing, prevents excessive intake boost pressure. An additional safety feature is provided by the fuel injection Electronic Control Unit (ECU). The ECU will modify fuel injection pulse width when it senses intake manifold pressures that are higher than normal.

Fig 1: Exploded View of Turbocharging System
G35092Courtesy of CHRYSLER MOTORS.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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