Ok I did the scan to see why my Honda Accords check engine light is on. Found out it was the EGR valve. I fixed the EGR valve but the check engine light is now on only when I drive it so I can"t check to see what the trouble code it is now because it only comes on whenmy Hondastarts moving. I try to reset the ECU but it didn"t work.I unplugged the battery that didn"t work either.I need to pass the smog check but I don"t know what to do.

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You can retrieve your Honda Accord"s trouble code(s) yourself by using inserting a jumper wire at thediagnostic connector located in the passenger side kick panel. Insert the jumper wire in the 2 PIN service connector between pins 1 and 2. You should also see a 3 PINconnecter. This is used for a trouble code scanner. Trouble codes will be stored in the ECU even if the check engine light is not on.

Once the jumper is inserted,turn on the ignition key. The trouble code(s) will beginflashingusing thecheck engine light indicator.Begining counting the flashes.Use Trouble Code 23 as a guide.Example:2 long flashes followed by 3 short flashes=Trouble Code 23. If more than one trouble coce exists there will be a long pause in between the codes.

Common Honda OBD-I Trouble Codes:Code 0 and 11 Electronic Control Module (ECM)Code1 Heated oxygen sensor ACode 2 Oxygen content BCode 3 and 5 Manifold Absolute PressureCode 4 Crank position sensorCode 6 Engine coolant temperatureCode 7 Throttle position sensorCode 8 Top dead center sensorCode 9 No.1 cylinder position sensorCode 10 Intake air temperature sensorCode 12 Exhaust recirculation systemCode 13 Barometric pressure sensorCode 14 Idle air control valve or bad ECMCode 15 Ignition output signalCode 16 Fuel InjectorCode 17 Vehicle speed sensorCode 19 A/T lock-up control solenoidCode 20 Electric load detectorCode 21 V-TEC control solenoidCode 22 V-TEC pressure solenoidCode 23 Knock sensorCode 30 A/T FI signal ACode 30 A/T FI signal BCode 41 Heated oxygen sensor heaterCode 43 Fuel supply systemCode 45 Fuel supply meteringCode 48 Heated oxygen sensorCode 61 Front heated oxygen sensorCode 63 Rear heated oxygen sensorCode 65 Rear heated oxygen sensor heaterCode 67 Catalytic converter systemCode 70 Automatic transaxleCode 71 Misfire detected cylinder 1Code 72 Misfire detected cylinder 2Code 73 Misfire detected cylinder 3Code 74 Misfire detected cylinder 4Code 75 Misfire detected cylinder 5Code 76 Misfire detected cylinder 6Code 80 Exhaust recirculation systemCode 86 Coolant temperatureCode 92 Evaporative emission control system

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