Mazda Tribute 2001-06

3.0L V6 - Std 2

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Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Base engine mechanical fault affecting only Cylinder 3
 
CKP sensor is damaged or failed (problem may be intermittent)
 
Fuel metering fault that affects only Cylinder 3
 
Ignition system fault that affects only Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Base engine mechanical fault affecting only Cylinder 4
 
CKP sensor is damaged or failed (problem may be intermittent)
 
Fuel metering fault that affects only Cylinder 4
 
Ignition system fault that affects only Cylinder 4
 

Trouble Code: P0315



Misfire Detected

Possible Causes:



Base engine mechanical fault
 
CKP sensor is damaged or failed (problem may be intermittent)
 
Fuel metering fault
 
Ignition system fault
 

Trouble Code: P0316



Misfire Detected

Possible Causes:



Base engine mechanical fault
 
CKP sensor is damaged or failed (problem may be intermittent)
 
Fuel metering fault
 
Ignition system fault
 

Trouble Code: P0320



Ignition Engine Speed (PIP) Signal Error

Possible Causes:



Engine speed or PIP signal circuit is open (an intermittent fault)
 
Engine speed signal circuit shorted to ground (intermittent)
 
Ignition system components arcing (ignition coils or wires)
 
Vehicle onboard transmitter interruption (i.e., 2-way radio)
 

Trouble Code: P0325



Knock Sensor 1 Circuit Malfunction

Possible Causes:



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

Trouble Code: P0326



Knock Sensor Circuit Range/Performance

Possible Causes:



Knock sensor signal circuit is open (intermittent fault)
 
Knock sensor signal circuit shorted to ground (intermittent fault)
 
Knock sensor is damaged or has failed
 
PCM is damaged
 

Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction

Possible Causes:



CMP sensor signal is open or shorted to ground
 
CMP sensor signal is shorted to VREF or system power (B+)
 
CMP sensor is damaged, or the sensor signal shielding is open
 
PCM has failed
 

Trouble Code: P0350



Ignition Coil Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open or shorted to ground
 
Ignition coil primary circuit is shorted to system power (B+)
 
Ignition coil power circuit is open between coil and Start circuit
 
PCM has failed
 

Trouble Code: P0351



Ignition Coil 1 Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open, shorted to ground or power
 
Ignition coil power circuit is open between coil and Start circuit
 
Ignition coil has failed (arcing between primary and secondary)
 
PCM has failed
 

Trouble Code: P0352



Ignition Coil 2 Primary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit is open, shorted to ground or power
 
Ignition coil power circuit is open between coil and Start circuit
 
Ignition coil has failed (arcing between primary and secondary)
 
PCM has failed
 

Trouble Code: P0402



EGR System Insufficient Flow Detected

Possible Causes:



EGR VR solenoid circuit open, shorted to ground or to power
 
EGR VR solenoid power circuit is open to the Main Relay
 
EGR VR solenoid is damaged or has failed
 
DPFE sensor signal circuit is open or shorted to ground
 
DPFE sensor hoses both off, reversed, or sensor is damaged
 
EGR valve assembly is leaking, stuck closed or is damaged
 
EGR valve vacuum hose(s) lose, damaged or disconnected
 
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 contaminated, damaged or has failed
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0442



EVAP System Small Leak (0.040-) Detected

Possible Causes:



Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
EVAP purge solenoid valve is damaged or has failed
 
EVAP vent control solenoid is damaged or has failed
 
EVAP charcoal canister is loaded with fuel or moisture
 
Fuel tank pressure sensor damaged or has failed
 
Vapor line(s) damaged or leaking between the purge solenoid and the intake manifold, purge solenoid valve and the canister, fuel vapor control valve tube or fuel vapor vent valve assembly
 
PCM has failed
 

Trouble Code: P0443



EVAP Purge Solenoid Circuit Malfunction

Possible Causes:



VMV solenoid control circuit is open or shorted to ground
 
VMV solenoid control circuit is shorted to system power (B+)
 
VMV solenoid power circuit is open or shorted to ground
 
VMV solenoid is damaged or has failed
 
PCM has failed (the VMV solenoid driver may be damaged)
 

Trouble Code: P0451



EVAP Pressure Sensor Circuit Range/Performance

Possible Causes:



FTP sensor signal circuit is open (intermittent fault)
 
FTP sensor signal circuit is shorted to ground (intermittent fault)
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0452



EVAP Pressure Sensor Circuit Low Input

Possible Causes:



FTP sensor signal circuit is shorted to sensor ground
 
FTP sensor signal circuit is shorted to chassis ground
 
FTP sensor signal is shorted in the connector due to moisture
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453



EVAP Pressure Sensor Circuit High Input

Possible Causes:



FTP sensor signal circuit is shorted to VREF or power (B+)
 
FTP sensor ground circuit is open
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0455



EVAP System Large Leak (0.080-) Detected

Possible Causes:



Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Charcoal canister is loaded with fuel or moisture
 
Purge solenoid may be stuck mechanically in -closed- position
 
Canister vent (CV) solenoid is stuck open or may be damaged
 
Fuel vapor control valve tube assembly is restricted or blocked
 
Fuel vapor vent valve assembly is restricted or blocked
 
Fuel pressure sensor has failed (i.e., it failed mechanically)
 
Vapor tube(s) loose, disconnected or blocked to the canister tube, EVAP canister purge outlet tube or the EVAP return tube
 
PCM has failed
 

Trouble Code: P0457



EVAP System Gross Leak Detected

Possible Causes:



Fuel filler cap does not fit properly (it is the wrong part number)
 
Fuel filler cap is missing
 

Trouble Code: P0460



Fuel Level Indicator Signal Circuit Malfunction

Possible Causes:



FLI signal circuit is open, shorted to ground or to power (B+)
 
Fuel tank empty or overfull (FP module is stuck mechanically)
 
Wrong fuel gauge is installed, or instrument panel is damaged
 
Fuel gauge sender unit is damaged or has failed
 
PCM has failed
 

Trouble Code: P0461



Fuel Level Indicator Signal Circuit Range/Performance

Possible Causes:



FLI signal circuit is open or shorted to ground (intermittent fault)
 
FLI assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0505



Idle Speed Control System Malfunction

Possible Causes:



Throttle body is damaged, dirty or idle speed out of adjustment
 
High resistance between PCM and IAC valve control circuits
 
IAC valve circuits open, shorted to ground or shorted to power
 
IAC valve air inlet is plugged, dirty or restricted
 
IAC valve is damaged or has failed
 

Trouble Code: P0603



PCM Keep Alive Memory Test Error

Possible Causes:



KAM circuit is open (it may be an intermittent problem)
 
KAM circuit is shorted to ground
 
Battery terminals have high resistance due to corrosion or dirt
 
PCM has failed
 

Trouble Code: P0704



Clutch Pedal Switch Circuit Malfunction (Self-Test)

Possible Causes:



Starter relay disconnected during the Quick Test Procedure
 
Clutch switch signal circuit is open or shorted ground
 
Clutch switch power circuit (B+) open between switch and PCM
 
Clutch switch signal circuit is shorted to VREF or system power
 
Clutch switch is damaged, misadjusted or installed improperly
 
PCM has failed
 

Trouble Code: P1001



Data Link Connector Circuit Malfunction

Possible Causes:



DLC connector or the related terminals/pins are damaged
 
DLC Bus (+) circuit is open or shorted to ground
 
DLC Bus (+) circuit is shorted at an associated module
 
DLC ground circuit is open or has a high resistance condition
 
PCM power relay is damaged or has failed (no power to DLC)
 
Incorrect Self-Test procedure followed, or idle speed to low
 
PCM has failed (e.g., the PCM VREF may be out-of-range)
 

Trouble Code: P1100



Mass Airflow Sensor Circuit Malfunction (Intermittent)

Possible Causes:



MAF sensor continuity problems at the connector or harness
 
MAF sensor circuit is open (the fault may be intermittent)
 
MAF sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1101



Mass Airflow Sensor Malfunction (Self-Test)

Possible Causes:



MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
An intake air leak is present near the MAF sensor location
 
PCM has failed
 

Trouble Code: P1102



MAF Signal Inconsistent With TP Sensor (Too Low)

Possible Causes:



MAF sensor signal circuit is open or grounded (intermittent)
 
MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
TP sensor is damaged or erratic in operation
 
PCM has failed
 

Trouble Code: P1112



Intake Air Temperature Sensor Signal Circuit Malfunction

Possible Causes:



IAT sensor signal circuit is open (an intermittent fault)
 
IAT sensor signal circuit is shorted to ground (intermittent fault)
 
IAT sensor is damaged or has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: P1116



Engine Coolant Temperature Sensor Circuit Malfunction (Self-Test)

Possible Causes:



ECT sensor signal circuit open or shorted to ground
 
ECT sensor signal shorted to VREF or system power
 
ECT sensor
 

Trouble Code: P1117



Engine Coolant Temperature Sensor Circuit Malfunction

Possible Causes:



ECT sensor signal is open (an intermittent fault)
 
ECT sensor signal shorted to ground (an intermittent fault)
 
ECT sensor is damaged or has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: P1120



TP Sensor Signal Out of Range Low

Possible Causes:



TP sensor contacts are loose, broken or damaged
 
TP sensor pins are loose in the connector
 
TP sensor signal circuit shorted to ground (an intermittent fault)
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1121



Throttle Position Signal Not Consistent With MAF Signal

Possible Causes:



MAF sensor is damaged or has failed
 
TP sensor is damaged or has failed
 
Air leaks between the MAF sensor and the throttle body
 
PCM has failed
 

Trouble Code: P1124



Throttle Position Sensor Signal Out Of Range (Self-Test)

Possible Causes:



Throttle linkage is bent or binding
 
TP sensor is not seated properly
 
Throttle plate below closed throttle position, or throttle plate screw misadjusted
 
TP sensor is damaged
 
PCM has failed
 

Trouble Code: P1125



Throttle Position Sensor Signal Circuit Malfunction

Possible Causes:



TP sensor wiring harness is open (an intermittent fault)
 
TP sensor connector or pins are open (an intermittent fault)
 
TP sensor signal circuit is open (an intermittent fault)
 
TP sensor signal circuit is grounded (an intermittent fault)
 

Trouble Code: P1127



HO2S-12 (Bank 1 Sensor 2) Heater Not Enabled (Self-Test)

Possible Causes:



Engine not operated long enough prior to starting the KOER Self-Test
 
Exhaust system temperature is too cold to run the test
 

Trouble Code: P1130



HO2S-11 (Bank 1 Sensor 1) Fuel Control Limit Reached

Possible Causes:



HO2S is damaged or has failed
 
HO2S circuits wet or oily, corroded, or poor terminal contact
 
HO2S signal circuit open, shorted to ground, short to power
 
Low fuel pressure or vehicle driven until it was out of fuel
 
Fuel pressure regulator leaking, or fuel injectors leaking
 
EVAP vapor recovery system has failed
 
Air leaks located after the MAF sensor
 
Exhaust leaks before or near the front HO2S
 
EGR valve stuck, EGR diaphragm leaking, or gasket leaking
 
Oil dipstick not seated or engine oil level too high (overfilled)
 

Trouble Code: P1131



HO2S-11 (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean

Possible Causes:



Air leaks located after the MAF sensor
 
Base Engine: Check for vacuum leaks with a Smoke Tester
 
Intake air system is leaking, obstructed and damaged
 
Low fuel pressure or vehicle driven until it was out of fuel
 
PCV system has air leaks at the valve or related hoses
 

Trouble Code: P1132



HO2S-11 (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean

Possible Causes:



Air leaks located after the MAF sensor
 
Base Engine: Check for vacuum leaks with a Smoke Tester
 
Intake air system is leaking, obstructed and damaged
 
Low fuel pressure or vehicle driven until it was out of fuel
 
PCV system has air leaks at the valve or related hoses
 

 
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