SAY GOODBYE TO THE CHECK ENGINE LIGHT: HOW DURA LUBE SEVERE CATALYTIC & EXHAUST TREATMENT HELPS FIX OBD CODE P0420

Seeing your check engine light turn on is never a good feeling, and one of the most common trouble codes it triggers is OBD Code P0420. This code indicates “Catalyst System Efficiency Below Threshold,” meaning your catalytic converter isn’t performing as it should. This issue is often caused by carbon buildup, oil poisoning, or residue clogging the converter, reducing its efficiency.
With Dura Lube Severe Catalytic & Exhaust Treatment, you have a simple, cost-effective solution to address these problems. Designed specifically to clean and restore your catalytic converter’s functionality, it can help clear P0420 codes, improve emissions performance, and potentially save you from costly repairs or replacements.
What Causes OBD Code P0420?
OBD Code P0420 occurs when the catalytic converter fails to sufficiently reduce harmful emissions, as detected by the oxygen sensors. Common causes include:
- Oil Poisoning: Unburned oil or fuel entering the exhaust system coats the catalytic surfaces, impairing efficiency.
- Carbon Buildup: Soot and residue clog the catalytic converter, restricting exhaust flow.
- Poor Fuel Quality: Low-grade fuels can contribute to faster carbon accumulation.
- Faulty Oxygen Sensors: These sensors play a critical role in monitoring the converter’s efficiency, and issues with them can trigger the P0420 code.
Symptoms of P0420 include reduced fuel efficiency, sluggish acceleration, and an illuminated check engine light. Left unaddressed, it can lead to failed emissions tests and expensive repairs.
How Dura Lube Severe Catalytic & Exhaust Treatment Can Help
Dura Lube Severe Catalytic & Exhaust Treatment is a powerful formula designed to clean and restore the efficiency of your catalytic converter and exhaust system. It targets the underlying causes of P0420 by:
- Removing Carbon Deposits: Dissolves soot and unburned oil residue that impair catalytic function.
- Improving Oxygen Sensor Performance: Keeps exhaust pathways clean, allowing oxygen sensors to work accurately.
- Restoring Catalytic Converter Efficiency: Boosts your vehicle’s ability to reduce harmful emissions.
- Reducing Emissions: Helps your car meet environmental standards, making it more likely to pass emissions tests.
This treatment is especially valuable if your check engine light is triggered by P0420, as it can help resolve the issue without costly mechanical repairs.
How to Use Dura Lube Severe Catalytic & Exhaust Treatment
Applying Dura Lube is easy and requires no mechanical expertise:
✅ Start with a near-empty gas tank.
✅ Directions: Add the entire bottle into the fuel tank. Treats 16 gallons (60 liters) of fuel or 1 oz. per gal. (30 mL per 3.8 L).
✅ Fill the tank with fuel.
🚗 Drive normally to allow the product to clean your catalytic converter and exhaust system.
🏁 Numerous drivers have reported significant improvements following a single treatment. A second treatment may be administered after completing a full tank of fuel.
✅ Use every 3,000 miles to maintain your catalytic converter’s optimal performance. Results vary on driving amounts and engine conditions.
⚠️ If your catalytic converter has reached an advanced stage of deterioration, it is no longer feasible to repair it through catalytic and emissions treatment. In such cases, a replacement of the catalytic converter is the only viable solution.
For vehicles experiencing a P0420 code, use the treatment immediately and monitor the check engine light. Many drivers report improvements after just one treatment. Use every 3,000 miles to maintain your catalytic converter’s performance.
Why Choose Dura Lube?
Catalytic converter replacement costs can run from $500 to $2,500, depending on your vehicle. Dura Lube offers a proactive, budget-friendly solution to address P0420 and related issues. It is safe for gasoline and hybrid engines and requires no tools or specialized skills to use.
Take control of your vehicle’s performance and emissions today!
Dura Lube Severe Catalytic & Exhaust Treatment is available at:
- Amazon: https://www.amazon.com/Dura-Lube-HL-4...
- Walmart: https://www.walmart.com/ip/Dura-Lube-...
- AutoZone: https://www.autozone.com/fuel-and-eng...
- Advance Auto Parts:https://shop.advanceautoparts.com/p/d...
- Fred Meyer: https://www.fredmeyer.com/search?quer...
- Canadian Tire: https://www.canadiantire.ca/en/pdp/du...
- Part Source: https://partsource.ca/products/hl-402...
⚠️ PLEASE NOTE THAT THIS PRODUCT IS NOT INTENDED TO BYPASS, DEFEAT, or SHUT DOWN EMISSION CONTROL DEVICES INCLUDING OXYGEN SENSOR ELIMINATORS, SIMULATORS, OR OTHERWISE ACT IN ANY WAY AS A TUNER OR DELETE KIT. THE USE OF THIS ADDITIVE WILL NOT ALTER THE FUNCTIONALITY OR OVERRIDE MALFUNCTION INDICATOR LIGHTS ON AN ENGINES OBD SYSTEM.