Nissan Car 350Z & Maxima 1999-06

3.5L V6 VIN D Auto 2

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Trouble Code: P0151



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

Possible Causes:



Low fuel pressure, fuel filter restricted or fuel injectors plugged
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0153



HO2S-21 (Bank 2 Sensor 1) Slow Response

Possible Causes:



Air leaks in the engine, in the exhaust or in the PCV system
 
Fuel pressure to low, or one or more restricted fuel injectors
 
HO2S element is contaminated
 
HO2S heater is damaged or it has failed
 
HO2S signal circuit is open or shorted to ground
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0154



HO2S-21 (Bank 2 Sensor 1) Insufficient Activity Detected

Possible Causes:



HO2S element is contaminated
 
HO2S heater is damaged or has failed
 
HO2S signal circuit is open or shorted to ground
 
HO2S is damaged or has failed
 

Trouble Code: P0155



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

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0156



HO2S-22 (Bank 2 Sensor 2) Closed Loop Fuel Control

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0158



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

Possible Causes:



Fuel pressure regulator leaking or fuel injectors leaking
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0159



HO2S-22 (Bank 2 Sensor 2) Slow Response

Possible Causes:



Air leaks in the exhaust manifold or in the exhaust pipes
 
Air leaks somewhere in the engine (e.g., intake manifold)
 
Air leaks somewhere in the PCV system (e.g., the PCV valve)
 
Fuel pressure to low, or one or more restricted fuel injectors
 
HO2S connector is damaged or loose (an intermittent problem)
 
HO2S element is contaminated
 
HO2S heater is damaged or it has failed
 
HO2S signal circuit is open or shorted to ground
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0160



HO2S-22 (Bank 2 Sensor 2) Insufficient Activity Detected

Possible Causes:



HO2S element is contaminated
 
HO2S heater is damaged or has failed
 
HO2S signal circuit is open or shorted to ground
 
HO2S is damaged or has failed
 

Trouble Code: P0161



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

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater control circuit is shorted to power
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0171



Fuel Trim Lean (Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks before or near where the front HO2S is mounted
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0172



Fuel Trim Rich (Bank 1)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0174



Fuel Trim Lean (Bank 2)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks before or near where the front HO2S is mounted
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0175



Fuel Trim Rich (Bank 2)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0180



Fuel Tank Temperature Sensor Circuit Malfunction

Possible Causes:



Fuel tank temperature sensor signal open or shorted to ground
 
Fuel tank temperature sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0181



Fuel Tank Temperature Sensor Range/Performance

Possible Causes:



Fuel tank temperature sensor connector is loose (open circuit)
 
Fuel tank temperature sensor signal open or shorted to ground
 
Fuel tank temperature sensor is damaged or has failed
 

Trouble Code: P0182



Fuel Tank Temperature Sensor Circuit Low Input

Possible Causes:



FTT sensor signal circuit is shorted to ground
 
FTT sensor connector is damaged (causing a short circuit)
 
FTT sensor is damaged or has failed
 

Trouble Code: P0183



Fuel Tank Temperature Sensor Circuit High Input

Possible Causes:



FTT sensor connector is damaged (causing an open circuit)
 
FTT sensor signal circuit is open or shorted to VREF
 
FTT sensor ground circuit is open
 
FTT sensor is damaged or has failed
 

Trouble Code: P0217



Engine Over-Temperature

Possible Causes:



Cooling fan control circuit open or shorted to ground
 
Cooling system problems (low coolant, thermostat closed)
 
Blocked air passages at front of the vehicle (recent damage-)
 
Blocked or restricted radiator passages
 

Trouble Code: P0221



ETC Throttle Position Sensor 1 Signal Range/Performance

Possible Causes:



ETC TP1 sensor connector is damaged (it may be shorted)
 
ETC TP1 sensor signal circuit is shorted to ground
 
ETC TP1 sensor is damaged or it failed (ETC actuator failure)
 

Trouble Code: P0222



ETC Throttle Position Sensor 1 Circuit Low Input

Possible Causes:



ETC TP1 sensor connector is damaged (it may be shorted)
 
ETC TP1 sensor signal circuit is shorted to ground
 
ETC TP1 sensor is damaged or it failed (ETC actuator failure)
 

Trouble Code: P0223



ETC Throttle Position Sensor 1 Circuit High Input

Possible Causes:



ETC TP1 sensor connector is damaged (it may be open)
 
ETC TP1 sensor signal circuit is open between TP1 and PCM
 
ETC TP1 sensor is damaged or it failed (ETC actuator failure)
 

Trouble Code: P0300



Multiple Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine problem affecting two or more cylinders
 
CMP or CKP sensor signals erratic or out of phase
 
EGR valve stuck open, or EVAP purge system has failed
 
Fuel delivery component fault that affects more than 1 cylinder (i.e., contaminated, dirty or sticking fuel injectors)
 
Ignition system problem affecting two or more cylinders
 
Vehicle driven while quite low or until it ran out of fuel
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 1
 
Fuel delivery component fault that affects only Cylinder 1 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 1
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 2
 
Fuel delivery component fault that affects only Cylinder 2 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 2
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 3
 
Fuel delivery component fault that affects only Cylinder 3 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 4
 
Fuel delivery component fault that affects only Cylinder 4 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 4
 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 5
 
Fuel delivery component fault that affects only Cylinder 5 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 5
 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 6
 
Fuel delivery component fault that affects only Cylinder 6 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 6
 

Trouble Code: P0325



Knock Sensor Circuit Malfunction (Bank 1)

Possible Causes:



Knock sensor signal circuit is open or shorted to ground
 
Knock sensor signal circuit is shorted to VREF or system power
 
Knock sensor is damaged or has failed
 

Trouble Code: P0327



Knock Sensor Circuit Low Input (Bank 1)

Possible Causes:



Knock sensor signal circuit is shorted to ground
 
Knock sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0328



Knock Sensor Circuit High Input (Bank 1)

Possible Causes:



Knock sensor signal circuit is open
 
Knock sensor signal circuit is shorted to VREF or system power
 
Knock sensor is damaged or has failed
 

Trouble Code: P0335



Crankshaft Position Sensor Circuit Malfunction

Possible Causes:



CKP sensor signal circuit is open or shorted to ground
 
CKP sensor signal is shorted to VREF or system power
 
CKP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction

Possible Causes:



CMP sensor signal circuit is open or shorted to ground
 
CMP sensor signal is shorted to VREF or system power
 
CMP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0420



Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged, contaminated or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 

Trouble Code: P0430



Catalyst Efficiency Below Normal (Bank 2)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged, contaminated or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 

Trouble Code: P0440



EVAP System Small Leak (0.040") Detected

Possible Causes:



Fuel tank cap loose, damaged or missing, or vacuum line is off
 
EVAP purge solenoid is damaged or has failed
 
EVAP emission canister clogged or restricted
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0441



EVAP System Incorrect Purge Flow Detected

Possible Causes:



EVAP canister purge volume control solenoid is stuck closed
 
EVAP canister purge volume control solenoid circuit is shorted
 
EVAP control system pressure sensor is damaged or has failed
 
EVAP emission canister or rubber tube is cracked or restricted
 
EVAP purge port is blocked or restricted
 
EVAP canister vent control valve is damaged or has failed
 

Trouble Code: P0443



EVAP Canister Purge Solenoid Circuit Malfunction

Possible Causes:



Purge solenoid control circuit open, shorted to ground or power
 
Purge solenoid is shorted to system power (B+)
 
Purge solenoid is damaged or has failed
 
PCM has failed
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0444



EVAP Purge Volume Control Solenoid Circuit Low Input

Possible Causes:



Canister purge volume control solenoid connector is damaged
 
Canister purge volume control solenoid circuit is shorted
 
Canister purge volume control solenoid is damaged or failed
 
PCM is damaged or has failed
 

Trouble Code: P0445



EVAP Purge Volume Control Solenoid Circuit High Input

Possible Causes:



Canister purge volume control solenoid connector is damaged
 
Canister purge volume control solenoid circuit is open
 
Canister purge volume control solenoid is damaged or failed
 
PCM is damaged or has failed
 

 
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