Jeep Cherokee 2000 Service Manual - page 1923
(M)
Malfunction Indicator Lamp (MIL) illuminated during engine operation if this DTC was
recorded (depending if required by CARB and/or EPA). MIL is displayed as an engine icon on
instrument panel.
P0161 (M)
2/2 O2 Sensor Heater Failure
Oxygen sensor heater element malfunction.
P0168
Decreased Engine Performance Due
To High Injection Pump Fuel Temp
Fuel temperature is above the engine protection limit.
Engine power will be derated.
P0171 (M)
1/1 Fuel System Lean
A lean air/fuel mixture has been indicated by an
abnormally rich correction factor.
P0172 (M)
1/1 Fuel System Rich
A rich air/fuel mixture has been indicated by an
abnormally lean correction factor.
P0174 (M)
2/1 Fuel System Lean
A lean air/fuel mixture has been indicated by an
abnormally rich correction factor.
P0175 (M)
2/1 Fuel System Rich
A rich air/fuel mixture has been indicated by an
abnormally lean correction factor.
P0176
Loss of Flex Fuel Calibration Signal
No calibration voltage present from flex fuel sensor.
P0177
Water In Fuel
Excess water found in fuel by water-in-fuel sensor.
P0178
Flex Fuel Sensor Volts Too Low
Flex fuel sensor input below minimum acceptable voltage.
P0178
Water In Fuel Sensor Voltage Too
Low
Loss of water-in-fuel circuit or sensor.
P0179
Flex Fuel Sensor Volts Too High
Flex fuel sensor input above maximum acceptable
voltage.
P0181
Fuel Injection Pump Failure
Low power, engine derated, or engine stops.
P0182 (M)
CNG Temp Sensor Voltage Too Low
Compressed natural gas temperature sensor voltage
below acceptable voltage.
P0183 (M)
CNG Temp Sensor Voltage Too High
Compressed natural gas temperature sensor voltage
above acceptable voltage.
P0201 (M)
Injector #1 Control Circuit
An open or shorted condition detected in control circuit for
injector #1 or the INJ 1 injector bank.
P0202 (M)
Injector #2 Control Circuit
An open or shorted condition detected in control circuit for
injector #2 or the INJ 2 injector bank.
P0203 (M)
Injector #3 Control Circuit
An open or shorted condition detected in control circuit for
injector #3 or the INJ 3 injector bank.
P0204 (M)
Injector #4 Control Circuit
Injector #4 or INJ 4 injector bank output driver stage does
not respond properly to the control signal.
P0205 (M)
Injector #5 Control Circuit
Injector #5 output driver stage does not respond properly
to the control signal.
P0206 (M)
Injector #6 Control Circuit
Injector #6 output driver stage does not respond properly
to the control signal.
P0207 (M)
Injector #7 Control Circuit
Injector #7 output driver stage does not respond properly
to the control signal.
P0208 (M)
Injector #8 Control Circuit
Injector #8 output driver stage does not respond properly
to the control signal.
P0209 (M)
Injector #9 Control Circuit
Injector #9 output driver stage does not respond properly
to the control signal.
P0210 (M)
Injector #10 Control Circuit
Injector #10 output driver stage does not respond properly
to the control signal.
P0215
Fuel Injection Pump Control Circuit
Failure in fuel pump relay control circuit.
XJ
EMISSION CONTROL SYSTEMS
25 - 5
DESCRIPTION AND OPERATION (Continued)