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Home >> Toyota >> 1987 >> Van Base, Van Window, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Testing >> Engine Compression >> Fuel Injected Models

Fuel Injected Models

  1. Engine must be at normal operating temperature. Unplug fuel injection solenoid resistor wire connector. On Van models, it is on left side of engine (under driver's seat).
  2. Disconnect electrical connector at cold start injector. Disconnect distributor connectors. 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 )