FixVault

Engine Compression

  1. Remove fuel pump relay to prevent fuel flow from injectors. Pull off plug on transistor ignition (TCI) control unit.
  2. Check compression with engine warm, battery fully charged, throttle fully open and engine operating at cranking speed.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.3:1
Compression Pressure 142-146 psi (9.9-10.2 kg/cm2 )
Max. Variation Between Cylinders 15%