Mazda Car 2005-06

2.3L L4 - Std 4

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Trouble Code: P2402



EVAP system leak detection pump motor circuit low

Possible Causes:



EVAP system leak detection pump malfunction
 
Poor connection of EVAP system or PCM connector
 
PCM has failed
 

Trouble Code: P2404



EVAP system leak detection pump sense circuit problem

Possible Causes:



Air filter clogging
 
EVAP hose bending
 
PCM has failed
 

Trouble Code: P2405



EVAP system leak detection pump sense circuit low input

Possible Causes:



EVAP system leak detection orifice has fallen off
 
EVAP system leak detection pump motor malfunction
 
PCM has failed
 

Trouble Code: P2407



EVAP system leak detection pump sense circuit intermittent

Possible Causes:



EVAP system leak detection pump heater malfunction
 
PCM has failed
 

Trouble Code: P2502



Charging system voltage problem

Possible Causes:



Open circuits between battery terminals
 
Battery is malfunctioning* Poor connection of PCM connectors
 
Generator malfunction
 
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