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EC-602 [QG (WITHOUT EURO-OBD)] TROUBLE DIAGNOSIS Air Air duct 5 5 5 5 5 5 Air cleaner Air leakage from air duct 5 5 5 5 Electric throttle control actuator Air leakage from intake manifold/ Cranking Battery 1 1 1 1 1 1 1 1 SC-3 Alternator circuit SC-24 Starter circuit 3 SC-13 Signal plate/Flywheel/Drive plate 6 PNP switch 4 or MT-17 Engine Cylinder head 5 5 5 5 5 5 5 5 Cylinder head gasket 4 3 Cylinder block 6 6 6 6 6 6 6 6 4 Piston Piston ring Connecting rod Bearing Crankshaft Valve Timing chain 5 5 5 5 5 5 5 5 Camshaft Intake valve timing control Intake valve 3 Exhaust valve Exhaust Exhaust manifold/Tube/Muffler/ 5 5 5 5 5 5 5 5 , FE- 11 Three way catalyst Lubrica- Oil pan/Oil strainer/Oil pump/Oil 5 5 5 5 5 5 5 5 2 LC-3 Oil level (Low)/Filthy oil LC-3 SYMPTOM Reference HARD/ NO ST AR T /REST AR T (EXCP . H A ) ENGI NE ST ALL HESI T A TION/ S URGING/ FL A T SPOT SP ARK K NOCK/DET ONA T IO N L A CK OF POW E R/POO R ACCEL E RA TION H IG H ID L E /L O W ID L E ROUG H IDL E/ HUNTING ID L ING VI BRA T ION SLOW /N O R ETURN T O ID LE OVERHEA T S/ W A TER T EM PERA T URE HI GH EXCESSIVE F U E L CONSUM P T IO N EXCESSIVE OIL CONSUM P T ION BA TTER Y DEAD (UNDER CHARGE) Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA |