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#03 chevy venture code

The vent control valve will be next to these tubes on the charcoal canister. The charcoal canister will have two tubes exiting it One tube leading to the engine and one going back to the gas tank. There will be a tube going from the gas tank to the charcoal canister. The vent control valve can be anywhere close to the charcoal canister, depending on the model year and options chosen when built. Where is the vent control valve located on the Chevy Venture? However, like any OBD II code, you shouldn’t ignore the problem and repair your Venture as soon as possible. The vent control valve does not affect how your van’s engine runs.

#03 chevy venture code

It is safe to drive your Venture with error code P0446. Of all the items listed above, it would be wise to start with the gas cap and work your way to the fuel tank since the gas cap is far and away the easiest and least expensive item to replace on the list. Here are the most common Venture P0446 fixes: It’s important to note that the exact order of diagnosis may vary depending on your Venture’s model year and engine/transmission options. If you’re at home trying to diagnose P0446, you can use a little anecdotal evidence to determine if the vent control valve is stuck shut or not.ĭo you notice a loud hissing when you take off the fuel cap? If so, that indicates that the vent control valve is stuck shut.

The fuel tank pressure will be checked and monitored. If you are getting a warning that your gas cap is off, even when it’s on, replacing it will more than likely clear this code.

Inspect the gas cap – Make sure that it can handle pressure.

While this is less common than the other causes, it can still cause P0446.

Check the EVAP purge solenoid – Finally, if none of the above steps have resolved the issue, check the EVAP purge solenoid.

Check the EVAP pressure sensor – If none of the above steps have resolved the issue, check the EVAP pressure sensor to ensure that it’s functioning correctly.

Check the EVAP system wiring and connections – Faulty wiring or corroded connections can cause the EVAP system to malfunction, so it’s essential to check these components.

Check the EVAP charcoal canister – If the solenoid appears to be functioning correctly, check the charcoal canister for signs of blockage or damage.

Check for any damage or corrosion to the solenoid, and if necessary, replace it with a new one.

Check the EVAP vent solenoid – This is the most common cause of P0446, so it’s a good place to start.

Here are the most common things that are done to diagnose the code: It can be tough to diagnose P0446 at home.Ī mechanic has many instruments at his disposal to diagnose what would be causing the P0446 in your Chevy Venture. P0446 Diagnosis- Chevy Venture Purge valves come in many shapes and sizes

Leaking gas tank (it can lose pressure from the top without losing gas).

Damaged or corroded EVAP system wiring or connections.

Clogged or blocked EVAP charcoal canister.

Here are the most common problems that will throw the code: There are many things that can cause the P0446 trouble code to trigger in your Chevy Venture. Venture P0446 Trouble Code Causes P0446 can be caused by something as simple as a gas cap. However, P0446 may also cause a gas smell. The only other symptoms of P0446 in the Chevy Venture are a slight decrease in fuel economy.

Typically, the only symptom of P0446 will be the check engine light. The P0446 trouble code will appear when the vent control valve is not responding to prompts to open and close from the PCM (Powertrain Control Module). It is usually closed during regular operation, which helps prevent any fuel vapors from escaping into the atmosphere. When the EVAP vent control valve regulates and helps maintain pressure in the Chevy Venture’s fuel tank. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engine’s intake manifold to be ignited in the normal combustion process. The definition encompasses three components: first, the extensive system impacted by the code second, the specific segment and third, the nature of the error. It often appears with other error codes, such as P0420, P0441, or P0440. In layman’s terms, P0446 indicates a problem with the EVAP system vent control valve. P0446: Evaporative Emission Control System → Vent Control Circuit → Malfunction P0446 is a standard OBDII trouble code, applicable to any make or model of vehicle, whether it’s a Venture or not. P0446: EVAP System – Vent Control Circuit – Malfunction This code corresponds to a specific number obtained when connecting your Venture to an OBDII scanner.Ī faulty vent control valve most commonly causes P0446. A prevalent issue with the Chevy Venture is the P0446 code.