Hyundai Accent P0496 OBDII code Diagnosis

This is one of the most commonly encountered trouble codes for the Hyundai Accent The Code P0496. Refers to a code that you receive when your Accent is plugged into an OBDII scanner.

Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Hyundai Accent. All the best!

Hyundai Accent P0496 Symptoms

These are some of the symptoms most commonly associated with P0496.

• Erratic Idle– P0496 code in the Hyundai Accent will often be accompanied by an erratic idle. In order to determine the right idle speed, the engine may rev up or down. This can often occur right after buying gas. Sometimes it might not even start at the station.
• Fuel Smell– There may be a noticeable fuel smell right after filling up.
• We are soon to service the engine– More often than not, the only symptom of P0496 will be the OBDII trouble code itself.

If you’re old enough to have driven a carbureted vehicle the old stomp the gas and crank the engine method does actually help start the vehicle. The air fuel mixture is off.
Similar: P0420 Accent

Hyundai Accent P0496 Significance

The OBDII universal trouble code is P0496. It means that the code is universal and will be the same regardless of make or model. Technically, the code stands for:

The EVAP captures any fuel vapor in the fuel tank. They are then sent to the engines intake to start the normal combustion process.

If the Hyundai Accent computer notices that the EVAP System is purging in an unapproved manner, it will issue the OBDII code P0496.

Hyundai Accent P0496 Causes

Many things can lead to the Hyundai Accent's P0496 code. The most frequent problems that cause this code are listed below.

• Vapor Purge Valve– The most common culprit with the P0496 trouble code and the Hyundai Accent is going to be the vapor canister purge valve. When it goes bad, it typically causes issues with the vehicle’s idle speed. It is particularly true after the vehicle has been fueled up. It’s really easy to replace. You will need to locate and delete a few clips. Below is an excellent YouTube video that explains how to diagnose the problem.
• PCM– It is possible that the engines computer system itself has gone bad and is registering a P0496 when it shouldn’t be. It is not a good place to begin.
• The wiring– It is possible for shorts in the wiring harness leading to the Vapor Canister Purge Valve has gone bad. This is a good article. Here’s a good article on Diagnostics of a car's short.
• Capacity for Fuel– A bad fuel cap can cause the P0496 code to be thrown for sure. Often, you’ll get a message informing you that the fuel cap is off even when it is on. You may get this message and a P0496 for your Hyundai Accent. This will save you a lot of time and money.
• Oil Tank Pressure Sensor– If the fuel tank pressure sensor has gone bad, it can cause all sorts of problems, including the P0496 code.

Here’s a good video on it:

To determine the source of the leak, a mechanic may perform a smoke test. If you have a hard time figuring it out, it’s pretty easy to do the test.

Conclusion

You will be able to identify the problem with your Accent. This should help. Please feel free to add anything below.