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Home >> Toyota >> 1986 >> Van LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Testing >> Engine Compression

Engine Compression

  1. Engine must be at normal operating temperature. Unplug fuel injection solenoid resistor wire connector, located on the left side of engine (under driver's seat).
  2. Disconnect electrical connector at cold start injector. Remove spark plugs and coil wire. Check compression with throttle wide open and engine at cranking speed.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 8.8:1
Normal Compression Pressure 178 psi (12.5 kg/cm2 )
Minimum Compression Pressure 128 psi (9.0 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )