2008 Toyota 4Runner Vsc off Check Engine Light

Before coming to a straight conclusion about the reason behind Vsc off with check engine light simultaneously, then what should have to do at that time?

You need to be very calm and cool and don’t try anything blunder by opening the hood and do it yourself unless you are very sure of what is happening with your vehicle and you can fix that issue by yourself, most probably not very often even though an expert can’t do anything unless you have tools and required replacement parts for that problem.

How can you confirm the issue of the 2008 Toyota 4runner Vsc off Check Engine Light?

Buy a simple good quality OBD2 device or cheap code reader and carry all the time in your car as a one of essential safety kit while driving on road, it can assist you at the spot about what issue arises for that problem, sometimes OBD2 device alone fix your car temporarily or permanently by removing error and allow you to reach at a mechanic expert. Other common errors in Toyota.

What Often errors occur in case of 2008 Toyota 4runner Vsc off Check Engine Light?

Code Errors


Evaporative Emission Control System Leak Detected (no purge flow or large leak)


Evaporative Emission Control System Incorrect Purge Flow


Engine Control System Malfunction

This one is the Most Common problem arises in Toyota,Find out how to identify and troubleshoot are in detail.


Catalyst converter


O2 Sensor

How to fix these errors?

The P0455, P0441 codes point to a leak in the emissions system. Technically it could be in the filler neck, or the line to the charcoal canister, but the majority of the time it’s simply a leaky gas cap. Either an improperly installed cap or a worn out one.

Number of Steps you can do to fix these

Tighten the gas cap: Tight the cap until you hear sound, do it 3 to 4 times and check your engine light.

Clean and grease the gas cap’s seal: The rubber seal on the cap looked pretty dry and worn, cleaned it and applied a bit of grease to soften it up.

Purchase an aftermarket gas cap: Get the Oem Toyota gas cap from Toyota dealership and replace with the faulty one.

You can also do by replacing the seal of faulty cap with the new one and try it.


If that failed to remove these errors then there are other issues in the engine that requires expert mechanic.


The C1201 code is the one that tells the vehicle to turn on the check engine light and disable the traction and VSC. Basically, this one is in charge of letting you know there’s a problem. Fixing the other codes should also fix this one since they’re the ones that caused it.

P0430 & P0420

What causes the P0430 code?

  • Faulty catalytic converter
  • Engine misfire
  • Fuel injector leaking
  • Engine mechanical damage
  • Oxygen sensor that has improper readings
  • Exhaust leak

What are the symptoms of the P0430 code?

  • Check Engine Light displaying on the dashboard
  • Dipping idle and a slight lack of power
  • Catalytic codes may make the Check Engine Light flash on the dashboard

Mechanic diagnose of P0430 & P0420

  • Performs a road test under similar conditions to the freeze frame data to confirm the problem
  • Performs a visual inspection of the exhaust system
  • Checks for any exhaust leaks
  • Uses a scan tool to monitor the oxygen sensor data and checks for proper operation

What repairs can fix the P0430 code?

  • Replacing the catalytic converter
  • Diagnosing and repairing the engine misfire
  • Replacing the fuel injector
  • Repairing any mechanical damages in the engine
  • Replacing the oxygen sensor
  • Repairing or replacing the exhaust replaced

You need further assistance about your Toyota 4Runner a Mechanic Expert available 24/7 for you. Click here.

About The Author

Avatar for Ibrar Ayyub

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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