I30 1996-1997

3.0L V6 VIN C Std 3

Print

Trouble Code: P1446



EVAP Canister Vent Valve Malfunction (Closed)

Possible Causes:



Charcoal canister is saturated with fuel or moisture
 
Control system pressure sensor is damaged or has failed
 
Canister vent control valve is damaged or has failed
 
Canister vent control valve rubber tube is blocked/bent
 
Water separator is damaged or has failed
 
PCM has failed
 

Trouble Code: P1447



EVAP Control System Purge Flow Malfunction

Possible Causes:



EVAP canister purge volume control valve stuck closed
 
EVAP canister purge control valve stuck closed
 
EVAP control pressure sensor is damaged or has failed
 
EVAP canister vent control valve is damaged or has failed
 
EVAP rubber tube is blocked, disconnected or bent
 
EVAP canister purge control solenoid is damaged or has failed
 
MAP/BARO switch solenoid vacuum line is blocked or bent
 
EVAP canister is leaking (it may be cracked)
 
EVAP 1-way valve connected improperly or purge port blocked
 

Trouble Code: P1448



EVAP Canister Vent Control Valve Malfunction (Open)

Possible Causes:



EVAP canister vent control valve
 
EVAP control system pressure sensor and circuit
 
Blocked rubber tube to EVAP canister vent control valve
 
Water separator
 
EVAP canister is saturated with water.
 
Vacuum cut valve
 

Trouble Code: P1490



Vacuum Cut Valve Bypass Valve

Possible Causes:



Harness or connectors
 
- The vacuum cut valve bypass valve circuit is open or shorted
 
Vacuum cut valve bypass valve
 

Trouble Code: P1900



Cooling Fan

Possible Causes:



Check harness and connectors:
 
- circuit is open or shorted
 
Cooling fan
 
Coolant or radiator hoses
 
Radiator or cap
 
Water pump
 
Thermostat
 

 
label.common.footer.alt.autozoneLogo