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GENERAL EMA -9 COMPESSION PRESSURE INSPECTION EA53A61E NOTE If the there is lack of power, excessive oil consump- 1. Warm up and stop engine. 2. Remove the injectors(A). (Refer to FL Gr.) A LCGF003A 3. Check the cylinder compression pressure. 1) Insert a compression gauge into the injector hole. ECKD001X 2) Fully open the throttle. 3) While cranking the engine, measure the com- NOTE Always use a fully charged battery to obtain engine 4) Repeat step 1) though 3) for each cylinder. NOTE This measurement must be done in as short a time as Compression pressure(Standard) : 5) If the cylinder compression in 1 or more cylinders • If adding oil helps the compression, it is likely that the piston rings and/or cylinder bore are • If pressure stays low, a valve may be stick- ing or seating is improper, or there may be 4. Reinstall the injectors. |