LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 1990 >> Corolla Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Controls - Adjustments - 4-CYL EFI >> Engine Compression

Engine Compression

Unplug distributor and ignition coil. If equipped, unplug cold start injector connector, solenoid resistor, and fuel injector connectors. Check compression pressure with engine operating at normal temperature and specified cranking speed, all spark plugs removed (on dual plugs, remove exhaust side only), and throttle wide open.

4-CYLINDER COMPRESSION SPECIFICATIONS

Application psi (kg/cm2 )
Compression Pressure
Camry (3S-FE Engine) 178 (12.5)
Celica 3S-GTE Engine 164 (11.5)
Celica 4A-FE Engine 191 (13.5)
Celica 5S-FE Engine 178 (12.5)
Corolla (4A-FE & 4A-GE Engines) 191 (13.5)
Pickup & 4Runner (22R-E Engine) 171 (12.0)
Tercel 185 (13.0)
All Others 178 (12.5)
Maximum Variation Between Cylinders 14 (1.0)
Minimum Compression Pressure
Celica (3S-GTE Engine) 128 (9.0)
All Others 142 (10.0)