Air/Fuel Mixture: Adjustments

AIR/FUEL MIXTURE

The air/fuel mixture is controlled by the engine control module. If the air/fuel mixture is not within the operational limits Refer to Description of On-board Diagnostics in Testing and Inspection, Procedures and perform all tests for each code stored in memory.

If there are no diagnostic trouble codes or the codes do not reveal the cause of the complaint, refer to Diagnosis by Symptom in Testing and Inspection, Procedures.