Kohler KG2204 Service page 25

P-Code SPN FMI
P0154 3256 31
P0157 3266 4
P0158 3266 3
P0159 3266 13
P0160 3266 31
P0168 174 16
P0171 1695 17
P0172 1695 15
P0174 1695 17
P0175 1695 15
P0182 174 4
P0183 174 3
P0192 159 4
P0193 159 3
P0197 175 4
P0198 175 3
TP-6903 5/16a
Description
O2 Sensor No Activity
Detected (B2S1)
O2 Sensor Circuit Low
Voltage (B2S2)
O2 Sensor Circuit High
Voltage (B2S2)
O2 Sensor Circuit Slow
Response (B2S2)
O2 Sensor No Activity
Detected (B2S2)
Fuel Temperature Too
high
System Too Lean,
Bank 1
System Too Rich,
Bank 1
System Too Lean,
Bank 2
System Too Rich,
Bank 2
Fuel Temp Sensor A
Circuit Low
Fuel Temp Sensor A
Circuit High
Fuel Rail Pressure
Sensor Circuit Low
Fuel Rail Pressure
Sensor Circuit High
Oil Temperature Sensor
A Circuit Low
Oil Temperature Sensor
A Circuit High
Possible Cause
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Problem with fuel
delivery or fuel
feedback control or
an overheated
HEGO sensor.
 Problem with fuel
delivery or fuel
feedback control.
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
Corrective Action
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Check for other DTC codes or
misfires.
 Check for exhaust leaks ahead of
or near the HEGO sensor.
 Check fuel system for restrictions.
 Check fuel pressure regulator.
 Check fuel shutoff valve.
 Confirm fuel quality and fuel
pressure.
 Check for other DTC codes or
misfires.
 Check for exhaust restrictions.
 Check fuel system for restrictions.
 Confirm fuel quality and fuel
pressure.
 Check fuel pressure regulator.
 Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
 Replace the HEGO sensor. Refer
to Section 5.7.
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
Diagnostic Troubleshooting Codes 25