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Home >> Isuzu >> 1999 >> Trooper Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Preliminary Inspection & Adjustments >> Mechanical Inspection >> Compression
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Mechanical Inspection: Compression

Check engine mechanical condition with a compression gauge, vacuum gauge, or an engine analyzer. If compression gauge is used, see COMPRESSION SPECIFICATIONS  table. If vacuum gauge is used, check for low or unstable vacuum condition. If engine analyzer is used, see manufacturer's manual for specific instructions.

COMPRESSION SPECIFICATIONS

Application Pressure (Minimum)
Amigo, Rodeo & Trooper
2.2L (1)
3.2L & 3.5L 145 psi (10.2 kg/cm2 )
Hombre 100 psi (7.0 kg/cm2 )
(1) Maximum pressure difference between any 2 cylinders is 14.5 psi (1.02 kg/cm2 ).
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