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P0449

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P0449 OBD-II Trouble Code: Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction
P0449 code definition P0449 is a general OBD2 diagnostic trouble code indicating an issue with the EVAP vent control circuit. This code may be seen with other EVAP system codes...

Related questions

Question
Two codes coming up: P0449 & P0455
The most likely cause for these two codes is that the emissions control evaporative canister vent solenoid needs to be replaced. You may also want to check your gas cap to make sure it does not leak; it may be...
Question
1999 firebird every now and then dies while driving and low engine power light comes on
A bad mass airflow (MAF) sensor can cause loss of power, no starts, and lean or rich conditions. If cleaning the sensor did not get rid of the P0102 trouble code, then replace the MAF sensor and clear the...
Question
Bad Ignition/electrical issue - takes several cranks before it starts!
Hello there, you have a few different faults going on with your 2007 Chevrolet Impala. A vehicle should not have to crank long before it starts unless there is a fault. Given the codes you have listed there are a...
Question
My yukon is running like nthere is something terribly teribly wrong
The mass air flow sensor measures the speed of the air going into the engine. The P0101 code could be an electrical issue. The PO449 code is related to fuel tank emissions. Codes give you the area of a fault...
Question
Trying to pass emissions test. Failed once. Code P0449
Hello, thank you for writing in. Code P0449 will set when the system sees that the position of the vent valve, and the voltage for its position, do not match. There could be a wiring problem, a faulty hose, or...
Question
EVAP Vent valve solenoid code p0449
This suggests you may have a bad EVAP control module. A battery voltage is supplied to the evaporative emission (EVAP) canister vent solenoid valve. The control module grounds the EVAP canister vent solenoid valve control circuit to close the valve...

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