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ON VEHICLE SERVICE TSB Revision ENGINE MECHANICAL 11A-9 6. Set compression gauge to one of the spark plug holes. measure the compression pressure. Standard value (at engine speed of 250 − 400 r/min): 1,177 kPa (171 psi) − 400 r/min): 875 kPa (127 psi) 8. Measure the compression pressure for all the cylinders, and check that the pressure differences of the cylinders are Limit: 98 kPa (14 psi) 9. If there is a cylinder with compression or a compression difference that is outside the limit, pour a small amount of (1) If the compression increases after oil is added, the cause of the malfunction is a worn or damaged piston ring and/ (2) If the compression does not rise after oil is added, the cause is a burnt or defective valve seat, or pressure is 10.Connect the crankshaft position sensor connector. NOTE: This will erase the diagnostic trouble code resulting MANIFOLD VACUUM CHECK M1111002700310 1. Start the engine and allow it to warm up until the temperature of the engine coolant reaches 80 − 95°C (176 − 203 °F). 2. Connect a tachometer. fuel pressure regulator and the intake manifold plenum, and 4. Start the engine and check that idle speed is within specification. Then check the vacuum gauge reading. Idle speed: 700 ± 100 r/min Minimum limit: 60 kPa (18 in Hg) AKX00436 COMPRESSION AB AK200796 VACUUM GAUGE AK200796AB |