Continental 2000-2002

4.6L V8 VIN V Auto 1

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4.6L V8 VIN V Auto

Trouble Code: P0102



MAF Sensor Circuit Low Input

Possible Causes:



Check for leaks at air outlet tube
 
Sensor power circuit open, sensor ground circuit open
 
Sensor signal circuit open (may be disconnected)
 
Check for loose tube clamps near the MAF sensor
 

Trouble Code: P0103



MAF Sensor Circuit High Input

Possible Causes:



Check for a restricted inlet screen on the MAF sensor.
 
MAF sensor signal circuit is shorted to system power (B+)
 
MAF sensor is damaged or the PCM has failed
 

Trouble Code: P0106



Barometric Pressure Sensor Circuit Performance

Possible Causes:



Sensor has deteriorated (response time too slow) or has failed
 
PCM has failed
 

Trouble Code: P0109



Barometric Sensor Circuit Intermittent Input

Possible Causes:



BARO sensor signal circuit is open or shorted to ground (intermittent)
 
BARO sensor VREF circuit (5v) is open
 
BARO sensor signal circuit is shorted to ground (Intermittent)
 
BARO sensor is damaged or it has failed
 

Trouble Code: P0112



Intake Air Temperature Sensor Circuit Low Input

Possible Causes:



IAT sensor signal circuit is grounded (check wiring & connector)
 
IAT sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0113



Intake Air Temperature Sensor Circuit High Input

Possible Causes:



IAT sensor signal circuit is open (inspect wiring & connector)
 
IAT sensor signal circuit is shorted to VREF (5v)
 
IAT sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0116



ECT Sensor / CHT Sensor Signal Range/Performance

Possible Causes:



Check for low coolant level or incorrect coolant mixture
 
CHT sensor is out-of-calibration or it has failed
 
ECT sensor is out-of-calibration or it has failed
 

Trouble Code: P0117



ECT Sensor Circuit Low Input

Possible Causes:



ECT sensor signal circuit is grounded in the wiring harness
 
ECT sensor is damaged or the PCM has failed
 

Trouble Code: P0118



ECT Sensor Circuit High Input

Possible Causes:



ECT sensor signal circuit is open (inspect wiring & connector)
 
ECT sensor signal circuit is shorted to VREF (5v)
 
ECT sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0121



TP Sensor Signal Range/Performance

Possible Causes:



Throttle plate is binding, dirty or sticking
 
TP sensor signal circuit open (inspect wiring & connector)
 
TP sensor ground circuit open (inspect wiring & connector)
 
TP Sensor is damaged or has failed
 

Trouble Code: P0122



TP Sensor Circuit Low Input

Possible Causes:



TP sensor signal circuit open (inspect wiring & connector)
 
TP sensor signal shorted to ground (inspect wiring & connector)
 
TP sensor VREF circuit is open (between the sensor and PCM)
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0123



TP Sensor Circuit High Input

Possible Causes:



TP sensor not seated correctly in housing (may be damaged)
 
TP sensor signal is circuit shorted to VREF or system voltage
 
TP sensor ground circuit is open (check the wiring harness)
 
Perform a "sensor sweep test" and monitor for any glitches
 
PCM has failed
 

Trouble Code: P0127



Intake Air Temperature (IAT) Too High

Possible Causes:



Blockage of heat exchangers
 
Low fluid level
 
Fluid leakage
 
Intercooler pump or relay failure
 
Crossed intercooler coolant lines
 

Trouble Code: P0131



HO2S-11 (Bank 1 Sensor 1) Circuit Low Input

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
PCM has failed
 

Trouble Code: P0132



HO2S-11 (Bank 1 Sensor 1) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit inside connector
 
HO2S signal circuit shorted to VREF or to system voltage
 
PCM has failed
 

Trouble Code: P0133



HO2S-11 (Bank 1 Sensor 1) Circuit Slow Response

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal circuit open
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0135



HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater power circuit is open or heater ground circuit open
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0136



HO2S-12 (Bank 1 Sensor 1) Circuit No Activity

Possible Causes:



Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 
PCM has failed
 

Trouble Code: P0138



HO2S-12 (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal shorted to heater power circuit in the connector
 
HO2S signal circuit shorted to VREF or to system voltage
 
PCM has failed
 

Trouble Code: P0141



HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater power circuit is open or heater ground circuit open
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0148



Fuel Delivery Error

Possible Causes:



Severely restricted fuel filter
 
Severely pinched or restricted fuel delivery line
 

Trouble Code: P0151



HO2S-21 (Bank 2 Sensor 1) Circuit Low Input

Possible Causes:



HO2S connector is damaged or shorted
 
HO2S signal and ground circuit wires crossed in wiring harness
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S element has failed (internal short condition)
 
PCM has failed
 

Trouble Code: P0152



HO2S-21 (Bank 2 Sensor 1) Circuit High Input

Possible Causes:



* HO2S is contaminated (due to presence of silicone in fuel)
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S signal circuit is open or shorted to VREF
 
PCM has failed
 

Trouble Code: P0153



HO2S-21 (Bank 2 Sensor 1) Circuit Slow Response

Possible Causes:



HO2S is contaminated (due to presence of silicone in fuel)
 
Leaks present in the exhaust manifold or exhaust pipes
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0155



HO2S-21 (Bank 2 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater power circuit is open
 
HO2S heater ground circuit is open
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0156



HO2S-22 (Bank 2 Sensor 2) Circuit No Activity

Possible Causes:



Leaks present in the exhaust manifold or exhaust pipes
 
HO2S signal wire and ground wire crossed in connector
 
HO2S element is fuel contaminated or has failed
 
PCM has failed
 

Trouble Code: P0158



HO2S-22 (Bank 2 Sensor 2) Circuit High Input

Possible Causes:



* HO2S signal shorted to the heater power circuit (due to oil or moisture in the connector)
 
HO2S signal circuit shorted to VREF or to system voltage
 
PCM has failed
 

Trouble Code: P0161



HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater power circuit or the heater ground circuit is open
 
HO2S signal tracking (due to oil or moisture in the connector)
 
HO2S has failed, or the PCM has failed
 

Trouble Code: P0171



Fuel System Too Lean (Cylinder Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or leaks in the PCV system
 
Exhaust leaks before or near where the HO2S is mounted
 
Fuel injector(s) restricted or not supplying enough fuel
 
Fuel pump not supplying enough fuel during high fuel demand conditions
 
Leaking EGR gasket, or leaking EGR valve diaphragm
 
MAF sensor dirty (causes PCM to underestimate airflow)
 
Vehicle running out of fuel or engine oil dip stick not seated
 

Trouble Code: P0172



Fuel System Too Rich (Cylinder Bank 1)

Possible Causes:



Camshaft timing is incorrect, or the engine has an oil overfill condition
 
EVAP vapor recovery system failure (may be pulling vacuum)
 
Fuel pressure regulator is damaged or leaking
 
HO2S element is contaminated with alcohol or water
 
MAF or MAP sensor values are incorrect or out-of-range
 
One of more fuel injectors is leaking
 

Trouble Code: P0174



Fuel System Too Lean (Cylinder Bank 2)

Possible Causes:



Air leaks after the MAF sensor, or leaks in the PCV system
 
Exhaust leaks before or near where the HO2S is mounted
 
Fuel injector(s) restricted or not supplying enough fuel
 
Fuel system not supplying enough fuel during high fuel demand conditions (e.g., the fuel pump may not supply enough fuel)
 
Leaking EGR gasket, or leaking EGR valve diaphragm
 
MAF sensor dirty (causes PCM to underestimate airflow)
 
Vehicle running out of fuel or engine oil dip stick not seated
 

Trouble Code: P0175



Fuel System Too Rich (Cylinder Bank 2)

Possible Causes:



Camshaft timing is incorrect
 
Engine oil overfill condition
 
EVAP vapor recovery system failure (may be pulling vacuum)
 
Fuel pressure regulator is damaged or leaking
 
HO2S element is contaminated with alcohol or water
 
MAF or MAP sensor values are incorrect or out-of-range
 
One of more fuel injectors is leaking
 

Trouble Code: P0176



Flexible Fuel Sensor Circuit Malfunction

Possible Causes:



FFV sensor VPWR circuit is open or shorted to ground
 
FFV sensor ground circuit open or circuit shorted to ground
 
FFV sensor has a fuel contamination condition
 
FFV sensor has a fuel separation condition
 
PCM has failed
 

Trouble Code: P0180



Fuel Temperature Sensor A Circuit

Possible Causes:



Open or short in the harness
 
Low ambient temperature operation
 
Improper harness connection
 
Damaged fuel temperature sensor
 

Trouble Code: P0181



Fuel Temperature Sensor A Circuit Range/Performance

Possible Causes:



Open or short in the harness
 
Low ambient temperature operation
 
Incorrect harness connection
 
Damaged fuel temperature sensor
 
Damaged Powertrain Control Module (PCM)
 

Trouble Code: P0182



Fuel Temperature Sensor A Circuit Low

Possible Causes:



Short in the harness
 
VREF open or shorted
 
Low ambient temperature operation
 
Incorrect harness connection
 
Damaged fuel temperature sensor
 

Trouble Code: P0183



Fuel Temperature Sensor A Circuit High

Possible Causes:



Open circuit
 
Open or short to voltage in the harness
 
Incorrect harness connection
 
Damaged fuel temperature sensor
 

Trouble Code: P0190



Fuel Rail Pressure Sensor A Circuit

Possible Causes:



VREF open in harness
 
VREF open in sensor
 
Vacuum leaks
 

Trouble Code: P0201



Cylinder 1 Injector Circuit Malfunction

Possible Causes:



Injector 1 connector is damaged, open or shorted
 
Injector 1 control circuit is open, shorted to ground or to power
 
PCM has failed (the injector driver circuit may be damaged)
 

Trouble Code: P0202



Cylinder 2 Injector Circuit Malfunction

Possible Causes:



Injector 2 connector is damaged, open or shorted
 
Injector 2 control circuit is open, shorted to ground or to power
 
PCM has failed (the injector driver circuit may be damaged)
 

 
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