|
|
EC-402 < SYMPTOM DIAGNOSIS > [VQ25DE, VQ35DE] ENGINE CONTROL SYSTEM SYMPTOMS SYMPTOM Reference HARD/NO ST AR T/REST AR T (EXCP . HA) E N GI N E ST AL L HESIT A TION/S U R GING/F LA T SP OT SP ARK KNOCK/DE T O NA TION LACK OF POWE R/POOR ACCELERA TIO N HIGH IDL E /L OW IDL E ROUG H IDLE/HU N TING IDL ING VIBRA T ION SLO W /NO RETURN T O IDLE OVERHEA T S/W A TE R TEMPERA T URE HIGH EXCES SIVE F U EL CONSUMP T ION EXCES SIVE OI L CONSUMP T IO N BA TTE R Y DEAD (UN D E R CH A R GE) Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA Fuel Fuel tank 5 5 Fuel piping 5 5 5 5 5 5 Vapor lock — Valve deposit 5 5 5 5 5 5 5 — Poor fuel (Heavy weight gasoline, — 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 Generator circuit Starter circuit 3 , Signal plate 6 PNP signal 4 , 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 |