What is the OBD 2 fault code p0449?

OBD II fault code P0449 is defined as “Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction”, and is set when the PCM (Powertrain Control Module) detects that a part of the EVAP (Evaporative Emission Control System) is not working within design parameters.

What are the symptoms of an EVAP fault?

In many cases, there will be no symptoms present other than a stored trouble code and an illuminated warning light. However, in cases where the code is the result of the failure of the vent valve to close, a strong odor of fuel may be present. This may, or may not be accompanied by other EVAP system related fault codes.

When to test the vent valve on an EVAP system?

Use this handy converter to convert the EVAP system’s design pressure to a usable vacuum for testing the vent valve. When replacing, or re-installing the vent valve after testing, it is always a good idea to inspect all associated vacuum lines for signs of damage, cracking, splitting, or other issues.

What is the p0449 code for a Chevy Colorado?

2008 Chevrolet Colorado LT 6 cyl CEL is on and generated code P0449. I checked the wiring for the EVAP vent solenoid and it is getting power. The local dealer wants $170 for the solenoid. Advance Auto says $30 but they can’t get it.

What are the causes of a p0449 code?

Causes of Code P0449 1 Missing gas cap 2 Damaged/Defective gas cap 3 Torn/Damaged EVAP system hoses 4 Faulty electrical connection 5 Damaged carbon canister 6 Damaged/Defective fuel tank 7 Defective evaporative vent valve

Why does my OBD-II scanner keep saying p0449?

Last, you can remove the valve and check the pintle inside for fuel residue because that could be causing the valve to stick. The OBD-II scanner error code P0449 problem is a generic issue, but it does not have a cut-and-dry solution. The cause can stem from a variety of factors, as can the resolution.

What’s the reset code for the EVAP vent?

This answer was rated: P0449..Replaced evap vent/valve and reset code..comes back… P0449 code. Replaced evap vent/valve… P0449 code. Replaced evap vent/valve and reset code. Still comes back. Purge valve is working fine and vent/valve has power? What gives? Show More Show Less Ask Your Own GM Question Share this conversation

How to fix p0449 p0455 EVAP code?

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What is the vent code on a 2006 Chevy Silverado?

Code P0449 Vent Solenoid On 2006 Chevy Silverado. – YouTube Code P0449 Vent Solenoid On 2006 Chevy Silverado. If playback doesn’t begin shortly, try restarting your device.

What is code p0449?

P0449 is a diagnostic trouble code (DTC) for “Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction”.

What does an EVAP vent valve solenoid do?

The evaporation vent solenoid is an emissions system component that is commonly found on many road going vehicles. It is a part of the vehicle’s evaporative emissions system, which is designed to capture and recirculate evaporative emission from the fuel back into the engine bay .

Where is the EVAP vent solenoid valve located?

Re: Where is the evap vent valve soleniod located on… The evap vent valve is locate behind the left rear tire,You will need to remove the tire and the plastic covers, the vent valve is located on the top of the filler pipe, filler pipe is the pipe in which you fill your gas tank.