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Home >> Isuzu >> 1987 >> Trooper II Base, 2D Utility, 2.3 L >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - Diesel >> Testing >> Engine Compression
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Engine Compression

  1. Warm engine to normal operating temperature. Remove sensing resistor, glow plug connectors, glow plugs and fuel cut solenoid connector. Disconnect fusible link wire of "Quick Start" system at harness connector.
  2. Install Compression Gauge Adapter (J 29762) and compression gauge. Operate starter and read compression at 200 RPM.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 21.0:1
Compression Pressure
Normal 441 psi (31 kg/cm2 )
Minimum 398 psi (28 kg/cm2 )
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