Guide To P0498 OBD Error Code Solutions

<<See All OBD Codes

The error code P0498 can be defined as Evaporative Emission System Vent Valve Control Circuit Low. This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another.

This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code.

This trouble code would indicate that there is some part of the EVAP control system which is not functioning properly. There are a number of components of the EVAP system like the gas cap. Fuel lines, charcoal canister, purge valve, system pressure, electrical wiring and fuel tank.

What causes this problem with the Evaporative Emission System Vent Valve Control Circuit Low?

• Defaults in the vent valve
• There can be some wire or circuit related issues
• Flaws in the PCM/EMC/ECM
• Some faults in the canister close valve
• Canister close valve harness might be opened or shorted
• There can be poor electrical connection in the canister close valve circuit
• Quirks in the engine control module

1. Charcoal Canister - Defective car Charcoal Canister can be a major reason why P0498 code depicts. So, make sure to replace it online so that you don’t have to face any further issues.
2. Powertrain Control Module - Everything is okay with the Charcoal Canister and still OBD code P0498 triggering? Then there must be some defects in Powertrain Control Module. Replace them as soon as possible.
3. Evap Canister - If everything is alright with PCM, then there is surely some defect in Evap Canister. Get it replaced before the situation gets worse.
4. Engine Control Module - P0498 code can display due to some issues in the Engine Control Module. So, it is very important to replace the defective Engine Control Module with us at equitable prices.
5. EVAP System - Do you remember when was the last time you got your car EVAP System checked up? A faulty EVAP System can cause a lot of issues like displaying P0498 code.
6. Purge Solenoid - Are there some faults in your Purge Solenoid? Don’t waste time and get them replaced or else P0498 code can turn up.

You might be thinking that how would you diagnose these problems? We at Parts Avatar Canada would help you diagnose the major symptoms easily.

Common Symptoms

• The service engine soon warning light can start flashing up

The repairs which you will have to do to correct this fault code are simply straightforward; you can surely pinpoint the necessary repairs on the basis of your diagnosis. Have a look at some common fixes:

• If there is any open or shorted electrical wiring, then you can always repair it
• Restore a faulty cooling fan clutch
• Repair any loose or corroded electrical connectors
• The defective engine coolant temperature sensor should be replace properly
• You can always replace a malfunctioning cooling fan motor
• Carefully replace the faulty cooling fan relay
• Make sure to replace the cooling fan control unit

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety of Fuel Cap, Cap Auto, Locking Gas Cap Replacement, Air Pressure Gauge, Purge Valve and many more. Now all your problems would vanish within no time.

Here are some steps which you should follow in order to diagnose this fault code:

• You must verify the P0498 code with an OBD-II scanner, the mechanic should begin with a visual inspection of all wiring and other electrical components, as well as vacuum lines and hoses.
• Any simple electrical issues, such as loose or shorted elements, should be repaired or replaced as per the requirement.
• After this, or any repair, it is important to clear the code from the PCM and retest the system carefully.
• Now if the code returns, then the mechanic should move on to manually testing the voltage of the primary cooling fan motor.
• The next step is to check the voltage readings of the engine cooling fan relay. If either of these parts are not meeting the manufacturer’s specifications, then they should be surely replaced.