DTC 2341

^ Oxygen sensor control limit exceeded. This code indicates one of the conditions listed below.

A. Fuel control unit is applying a maximum lean command to the differential pressure regulator and the oxygen sensor signal is still indicating a rich condition.

B. Fuel control unit is applying a maximum rich command to the differential pressure regulator and the oxygen sensor signal is still indicating a lean condition.

This code may be caused by:

a. Excessively lean or rich condition due to vacuum leaks, faulty evaporative control system, leaking injector(s), faulty or incorrectly adjusted air flow sensor/fuel distributor, or faulty differential pressure regulator.
b. Faulty or contaminated oxygen sensor.
c. Open or grounded circuit between sensor and fuel control unit terminal #7.
c. Faulty fuel control unit.