How Can I Pass the Emissions Test?

I’ve recently made a cross country move which as you may know was quite the undertaking.  We packed everything we owned into a trailer and headed off on the open highway, hoping that all the maintenance I had recently done on our vehicles would pay off.  It turns out preventative maintenance did indeed prevent us from breaking down along the way.  Most of the preventative maintenance we did included rotating tires and getting fluids changed, but it also included adding BlueDevil products to a few of our fluids to help stop a few leaks on our older vehicles.  After arriving safely, I’m happy to report, BlueDevil lived up to its “#1 in the Country” reputation and has sealed the leaks!

Passing EmissionsThe one thing we didn’t plan on was having some different motor vehicle laws to deal with while registering our cars to our new address.  We moved from an area where emissions testing was not required to a more metropolitan area where smog was an issue and yearly emissions inspections are required on all vehicles made after 1975.  Our vehicles are old, but unfortunately not old enough to exempt us from the emissions test, so I started looking into what it would take to pass the test.

TCat, converter, catalytiche main component on your vehicle responsible for controlling engine emissions is the catalytic converter, commonly called the “cat”.  Introduced after cars were required to run unleaded fuel, catalytic converters became standard equipment in the 70s and are now illegal to remove from your vehicle.  Catalytic converters are named for the rare metals inside them that the exhaust gas flows through.  These rare metals are a catalyst to convert certain pollutants in the exhaust gas like carbon monoxide and nitrogen dioxide into less harmful gases.  This catalyst in the catalytic converter can get used up over time increasing your vehicle emissions and causing you to fail the emissions test.

Emissions Components:

  • Catalytic Converter
  • EVAP system: captures gasoline vapors from your fuel tank
  • Oxygen (O2) or Air/Fuel Ratio Sensors: measure combustion and emission gas levels
  • EGR (Exhaust Gas Recirculation) System: recirculates exhaust gases back to the intake manifold to reduce emissions while the engine is warming up

Emissions Testing FacilityMost vehicle emissions tests requires a visual inspection of these components to ensure they are still installed and functioning properly, or a computer test to ensure the sensors are functioning properly.  Many states also still require a sample of your vehicles emissions to be collected and analyzed, sometimes called a “sniffer” test.

The test procedure can be expensive and time consuming, so you want to make sure your vehicle will pass the test before you head into a testing station.  Our vehicle had 250,000 miles on the original catalytic converter and had gone without a test for almost 7 years so we were nervous it may be in need of replacement.  We found one of the best ways to ensure your vehicle will pass is to add BlueDevil Fuel MD to your gas before you head to the testing station.  BlueDevil FuelMD is a special blend of additives designed increase your engine’s efficiency and reduce emissions.  One bottle treats up to 15 gallons of gas, is safe for all of your engine components and sensors, and is guaranteed to get your vehicle to pass your emissions test.

Don’t waste your time and money failing emissions tests, or replacing a catalytic converter that still has some life left in it.  BlueDevil FuelMD is the best and easiest way to ensure your vehicle will pass its next emissions test.  FuelMD also has lots of other benefits for your engine.  Check back on our blog over the next few weeks to learn about the other benefits BlueDevil FuelMD has to offer!

In the mean time, pick up a bottle here, or by stopping any other our retail partners:

  • Prime Automotive
  • Bennett Auto Supply
  • CarQuest Auto Parts
  • O’Reilly Auto Parts
  • NAPA
  • Pepboys
  • Advance Auto Parts
  • Autozone

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22 responses to “How Can I Pass the Emissions Test?

  1. Dear Sirs,

    I have Toyota Camry 2006 LE (2.4 L 4-cylinder engine) and the check engine is ON. When I took it to the local auto service station, they have diagnosed and mentioned that the “cat” (catalytic converter) needs to be replaced. I received the quote of $850 to replace “cat” (including labor charges). Honestly I do not have this amount to spend at this moment. Moreover, my car tags are getting expired and I need to renew them. When spoke to the emission testing service center, they have asked to get the check engine issue fixed as the emission testing will certainly fail with the light is ON. But I do not have $850 to repair “cat” at this moment. So I was googleing for options or help or suggestions on how to pass the emission test with bat “cat” and found your article. After reading your article, I started to get some relief. I have a question in this regard. Do you mean, adding BlueDevil FuelMD to my car will resolve the issue and get the emission testing passed? If so, is this BlueDevil FuelMD be added to gas (tank) or to the engine? If I add BlueDevil FuelMD to the car, will the check engine light be gone (OFF)? Kindly consider my questions and let me know the details. Also, please provide the steps as how to add BlueDevil FuelMD to my car (Toyota Camry 2006 LE) and get the emission testing passed? Thank you in advance.

    1. Naga,

      Thanks for your question about your Camry. BlueDevil Fuel MD is designed to restore efficiency to your engine by removing harmful engine deposits and cleaning your fuel system. A more efficient engine will reduce your engine’s emissions and increase your fuel mileage so depending how old your catalytic converter is it may help. We recommend using Fuel MD every 3000 miles to keep your car running properly so if you haven’t used Fuel MD since your last oil change it is a good idea. Simply pour 1 bottle of Fuel MD into your fuel tank when it is half full and drive your vehicle until the tank is almost empty. The best time to get your emissions tested is right before you refuel after using Fuel MD.

      Unfortunately, catalytic converters only last a certain number of miles before they need to be replaced so if yours is worn out, replacing it is your only option. Toyota’s vehicles are known for having unnecessarily tight settings on their emissions monitors so it is possible your car will still pass the emissions test even if your check engine light says it is time for a new catalytic converter, especially if the light just came on.

  2. Hi,
    I have a 1995 Isuzu v6 3.2 liter engine that failed emissions possibly because of a bad erg vale. Would your product possibly help it pass? Which product do you suggest I use?

    1. Jennifer-

      If the valve is bad due to it being dirty then yes the BlueDevil Fuel MD Fuel System Cleaner would help clean the valve and get it working properly. If it has failed for some other reason then the only solution may be to replace it.

      Thank you!

      -BDP

  3. i have a 2001 buick lasabre and the “cat” is the reason why its not passing emission. I have tried 2 different products and they have yet to helpass emission Are you sure that this product will do the job?

  4. I have a 2011 Nissan sentra with 77000 miles it was messing up & I called extended warranty they had me send my car to pep boys….long story short they denied my case bcuz pep boys told them my motor was blown….I begged the side with them…..my check engine light was never on…..remind you this was when my car was @ 76000 I’ve gotten a tune up then ran it the emission & failed due to drive cycle…..I decided to take the battery cables off then do drive cycle…..now my check engine light is on…???…I’m confused. But above all that will blue devil help me????

    1. Pennie-

      Thank you for asking about your Nissan Sentra. Based on your description, it is hard to determine the symptoms the vehicle is having. Please contact our technical support line at 888-863-0426 so that we can get a better idea of the situation and be able to make any appropriate recommendations.

      Thank you!

      -BDP

  5. Hi there, i have a 1993 jeep grand cherokee with a straight pipe system (no cat, muffler, or tail pipe) and im trying to get it registered, what should i do in the case of having it get registered, and will using this product help me pass smog?
    The engine has now 346,xxx miles on it, but had 344,xxx miles when i started driving it hard and long on offroad settings through baja california.
    It has not produced any visual smoke and im trying my best not to spend upwards of $1000 to have new exhaust welded on.

    1. Daniel,

      Thanks for your question about your Jeep. The first thing to do would be to call the emissions control agency in the county you are trying to register your Jeep in and ask them what components they require your vehicle to have and what tests they perform. This will help you know what components you need to replace or add to your vehicle. You will most likely need an operational EGR system, EVAP system, PVC system and catalytic converter. Many aftermarket companies offer high flow catalytic converters that are certified by the EPA and can be easily welded into your current exhaust system for a fraction of the price of an OEM converter, they just don’t last as long, so you may consider that as an option as well.

      Thanks again for your question!
      -BD Auto Pro

    1. Lisa-

      It really depends the cause of the engine code you are seeing. If the code you are experiencing is due to dirty fuel injectors or something else within the fuel system then it is likely that BlueDevil Fuel MD Fuel System Cleaner will clear the code.

      Thank you!

      -BDP

  6. If I was to straight pipe my 98 jeep Cherokee classic would it still pass emissions? Its completely stock and if not do you have any hints to help me increase my chances of passing? Every thing works fine on the car. Just curious?

    1. Layne,

      Thanks for your question about your Jeep Cherokee. The answer depends a lot on where you live and what they check for during an emissions test. Our recommendation would be to call your local emissions office and ask what your vehicle needs to have installed and functioning to pass the emissions test. Most likely your vehicle will need a functioning evap system, EGR valve, and at least 1 catalytic converter. In most cases what you do after the catalytic converter (like take out the muffler) won’t affect your vehicle’s ability to pass emissions.

      Thanks again for your question!
      -BD Auto Pro

    1. B-

      Thank you for asking about your Jeep Patriot. The BlueDevil Fuel System Cleaner will remove fuel deposits and increase engine performance. It improves fuel mileage and efficiency. The product will also help reduce emissions. Feel free to contact our technical support line at 888-863-0426 with any other questions.

      Thank you!

      -BDP

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