Trouble Codes & Probable Cause For Codes

TROUBLE CODES & PROBABLE CAUSE FOR CODES

Code No.	Probable Cause
2 & 3	Air Flow Meter or Circuit, ECU.
4	Coolant Temp. Sensor or Circuit, ECU.
5	Oxygen Sensor or Circuit, ECU.
6	Ignition System Circuit, Distributor, Coil, Igniter, ECU.
7	Throttle Position Sensor or Circuit, ECU.

Fig 1: Electronic Control Unit Connector I.D.