Guaranteed to Pass® Emissions Test Formula, 12 oz.
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CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.

Part No. 05063 Warranty Details  
Pass your emissions test or CRC will double your money back! Powerful detergent additives super-clean the entire fuel system reducing emissions and improving performance. Use every 3,000 miles to improve fuel economy, acceleration and reduce emissions
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Carburetor or Fuel Injection:Fuel Injection
Catalytic Converter Safe:Yes
Container Material:plastic
Container Size:12 fl oz
Container Type:bottle
Fuel System Type:Not for use in diesel fuel
Gallons of Fuel Treated:16
Material:Liquid
Special Tool Required:No

REVIEW SNAPSHOT®

by PowerReviews
CRCGuaranteed to Pass® Emissions Test Formula, 12 oz.
 
4.3

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (11)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

87%

of respondents would recommend this to a friend.

Pros

  • Easy to use (7)
  • Reliable (3)

Cons

No Cons

Best Uses

  • Home garage (4)
  • Automotive repair shop (3)
  • Upkeep (3)
    • Reviewer Profile:
    • Auto enthusiast (4), Casual driver (4)

Most Liked Positive Review

 

CrC is good stuff.

well, to be honest the CRC did not work to pass the car, I had a clogged converter and the egr was not working right, but it did clean out all the gunk...Read complete review

well, to be honest the CRC did not work to pass the car, I had a clogged converter and the egr was not working right, but it did clean out all the gunk in the fuel system, the car runns awsome after you use it, if your car won't pass after you use it, have a teck look at your egr valve and catalytic converter, my car is old and if these parts are bad your car won't pass, your catalytic converter will get black powder coating on it in side. and there is nothing that will clean that off, but yes crc did bring the numbers of the test down by half, so it dose work, just not on a car with warn out parts,

VS

Most Liked Negative Review

 

It did not work for me

I used this in a 2000 Honda Civic VP.

I used the product as directed but it did not work. The Check Engine Light came on four hours after I...Read complete review

I used this in a 2000 Honda Civic VP.

I used the product as directed but it did not work. The Check Engine Light came on four hours after I turned it off. I then bought a more expensive competing product to clean the catalytic converter which worked -- the Check Engine light remained off and the car passed the emissions test.

Reviewed by 16 customers

Displaying reviews 1-10

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(1 of 1 customers found this review helpful)

 
5.0

it worked for me

By 

from new york new york

About Me Midrange Shopper

Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

I have a 2005 acura mdx and my check engine light was on.found out it was my catalytic converter that needed to be replaced and the cost was 750. read about this and gave it a shot.i poured it in the gas tank Saturday at 3pm then turned it on at about 7pm and the light was off. I didn't take it to get inspected until Tuesday morning cause I ran the car to burn some gas as it said on the box. brought it in Tuesday morning after driving the car for about 30 minutes changing speeds between 50 and 80. I passed inspection it worked. would def give it a try it might not work if your converter is broken but if its a clog it might help why not give it a try.

  • I Am A:
  • Family Young Kids

Comment on this reviewHelp Icon(earn points)

 
5.0

Works as advertised

By 

from Sinking Spring, PA

About Me Budget Shopper

Pros

  • Easy And Cost Effective
  • Improves Acceleration Mpg
  • Money Saver

Cons

  • Found By Accident

Best Uses

  • Removing Code Faults

Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

My 2007 Subaru Forester with 152,000 miles had a check engine light come on 1 month before inspection. The code which triggered the light stated the problem was a "low efficiency catalytic converter". I looked on YouTube and learned that meant the converter was not getting hot enough and needed to be replaced. I got a quote of $900 to basically replace the exhaust system,and if I wanted to be safe,the O2 sensors for another $325! I used this wonderful product as instructed and the light went out and I passed inspection WITHOUT ANY REPAIRS! Wowwieeee!!!

  • I Am A:
  • Family Older Kids

Comment on this reviewHelp Icon(earn points)

(0 of 5 customers found this review helpful)

 
1.0

Bad experience

By 

from Rosemead CA

Pros

    Cons

    • Difficult To Use
    • Flimsy
    • Heavy
    • My Car Is Knocking Now

    Best Uses

      Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

      Trust reviews, bought a bottle to add oil in engine. Now it is knocking.

      Comment on this reviewHelp Icon(earn points)

      (5 of 5 customers found this review helpful)

       
      5.0

      Passed inspection

      By 

      from Holmdel, NJ

      About Me Auto Enthusiast, Truck Enthusiast

      Pros

      • Easy To Use

      Cons

        Best Uses

        • Automotive Repair Shop

        Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

        Failed inspection on Wednesday because computer wasn't ready. Drove for 175 miles and check engine light came back on. Poured guaranteed to pass into tank on Saturday morning. Light goes out on Saturday. Passed inspection on Monday. ***Savings $3000 to replace Range Rover Catalytic Converters******

        Comment on this reviewHelp Icon(earn points)

         
        5.0

        guarentee to pass

        By 

        from hazlet NJ

        Pros

        • Easy To Use
        • It Does Work
        • Pour This Product In Your

        Cons

          Best Uses

            Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

            pour this product in your fuel tank than fill the rest up with fuel. drive the car for a whole week or aleast 50 -100 miles constanly .

            Comment on this reviewHelp Icon(earn points)

            (1 of 3 customers found this review helpful)

             
            5.0

            yes it works

            By 

            from Chattanooga, TN

            About Me Casual Driver

            Verified Buyer
            Level 1

            Pros

            • Easy To Use

            Cons

              Best Uses

              • Home Garage

              Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

              It worked for me.

              Comment on this reviewHelp Icon(earn points)

              (2 of 5 customers found this review helpful)

               
              1.0

              It did not work for me

              By 

              from Columbia, MD

              About Me Casual Driver

              Verified Buyer
              Level 1

              Pros

                Cons

                • Did not work

                Best Uses

                  Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

                  I used this in a 2000 Honda Civic VP.

                  I used the product as directed but it did not work. The Check Engine Light came on four hours after I turned it off. I then bought a more expensive competing product to clean the catalytic converter which worked -- the Check Engine light remained off and the car passed the emissions test.

                  Comment on this reviewHelp Icon(earn points)

                  (2 of 4 customers found this review helpful)

                   
                  5.0

                  MY TRUCK PASSED SMOG WITH THIS

                  By 

                  from LA MESA

                  About Me Casual Driver

                  Pros

                  • Easy To Use
                  • Reliable

                  Cons

                    Best Uses

                    • Upkeep

                    Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

                    MY TRUCK DIDN'T WANT TO PASS SMOG FOR 2 YEARS AND AFTER USING THIS, IT PASSED IT AFTER DRIVING MY CAR 3/4 OF A TANK. I KNOW IT STATES TO USE FULL TANK, THEN REFILL AND TAKE WHEN HOT, BUT I COULDN'T WAIT AND IT WORKED. WE WILL BUY IT FOR MY SISTER'S CAR TOO.

                    Comment on this reviewHelp Icon(earn points)

                    (1 of 1 customers found this review helpful)

                     
                    5.0

                    does the trick!

                    By 

                    from edison nj

                    Verified Buyer
                    Level 1

                    Pros

                    • Reliable

                    Cons

                      Best Uses

                        Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

                        our vehicle is a 94 and it passes inspection every time after using this product

                        Comment on this reviewHelp Icon(earn points)

                        (5 of 5 customers found this review helpful)

                         
                        5.0

                        Works!!

                        By 

                        from TN

                        Comments about CRC Guaranteed to Pass® Emissions Test Formula, 12 oz.:

                        Used on 92 Saturn sc2 and it passed with flying colors. It failed the first time and was throwing a code for egr valve. After using crc product the check engine light went off and it passed.

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                        Displaying reviews 1-10

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                        Do you have questions about this product?(earn points for answers!)

                         

                        Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

                        15 Questions | 16 Answers
                        Displaying questions 1-10Previous | Next »
                        • Q:

                          Where do you pour it for a 2003 Nissan Altima?
                          Asked on 1/14/2016 by Girly

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi, I am happy to help! The CRC Guaranteed to Pass® Emissions Test Formula,(Part no. 05063) is introduced into the fuel system by pouring it thru the filler neck of your gas tank.

                            Answered on 1/16/2016 by Roy from AAP
                        • Q:

                          I have a toyota celica 2001 and I filled the tank with premium gas and then poured 1 bottle of CRC formula, my tank is almost empty but my check engine light(Catalyc) has not turned off. Should I reset it, then fill my tank again and pass emission?
                          Asked on 10/14/2015 by Bruno from Sterling. VA

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Sorry, Bruno. Without the presence of your vehicle we would not be able to properly diagnose it, nor provide you with a 100% answer. I would suggest that you take your vehicle and get it thoroughly checked by a certified mechanic before buying any parts that may/may not solve the problem.

                            Answered on 10/15/2015 by Solomon
                        • Q:

                          I want to try CRC 05063 Guaranteed To Pass Emissions Test Formula in my 2002 Rav. I have not been able to pass the PA emissions test.

                          I have an emissions appointment scheduled for 9.23.15. I will not be able to use the Rav between 9.11.15 and 9.20.15. Should I wait to put it in the tank until 9.20.15 or can I put it in now drive some miles now and some after 9.20.15?
                          Asked on 9/9/2015 by Regis from Greensburg PA

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Happy to answer your question Regis! You should be fine either way, I suggest putting it in now drive as you can then when you come back you can continue driving.

                            Answered on 9/10/2015 by Panda from AAP
                        • Q:

                          I have Honda Accord 1990, and I failed California emission test because of high CO emission. I've just bought the bottle of CRC. I have a question, do I need to full the gas tank with CRC and then drive the tank empty in one day, or I can use the full gas tank for multiple days?

                          A friend said to drive all the gas tank in one stretch. For that I have to drive it on highway for 500 miles. I'm concerned how can one drive this much in one day.

                          Please inform how you used that.

                          Thanks.
                          Asked on 6/25/2015 by M.

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Good question M! You just fill the gas tank with the CRC Guaranteed to Pass® Emissions Test Formula, 12 oz. (Part No. 05063) and can use it for multiple days.

                            Answered on 6/27/2015 by Steve from AAP
                        • Q:

                          my car failed it said that i was burning to
                          much gas
                          Asked on 5/3/2015 by jeff from wheatridge co 80033

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Happy to assist Jeff! This emissions test formula treats up to 16 gallons with one bottle. How well it work will honestly depend on the severity of your system.

                            Answered on 5/4/2015 by Panda from AAP
                        • Q:

                          carbuator compatible?
                          Asked on 3/1/2015 by dave from Bowmar,Colo

                          1 answer

                          • CUSTOMER CARE

                            A:

                            No Dave, this product not compatible in carburetor vehicles.

                            Answered on 3/2/2015 by Steve from AAP
                        • Q:

                          All other fuel system cleaners say pour in product, "THEN" fill the tank with fuel. This makes more sense to me for mixture advantages. Why does CRC insist on doing this process backwards? I don't need to pass a test but keeping my 05 Grand Marquis running perfect is very important to me. There aren't many (grand paw) Marquis out there with 450h.p. averages 20.8 mpg and has made many enemies out of Stangs, Camaros, and hemi mopars. I need to know how to use this product to clean everything it claims it will. P.S. the guys at Advance Auto in Jackson, Tn. know me and my car.
                          Asked on 12/9/2014 by Poppy from Medina, Tn.

                          1 answer

                          • CUSTOMER CARE

                            A:

                            I'm happy to help, Poppy! Sounds like an awesome sleeper car! I can tell you take a lot of pride in your 2005 Mercury Grand Marquis and want to keep it running at its best. The CRC Guaranteed to Pass® Emissions Test Formula (Part No. 05063) can be helpful in situations where you need extensive cleaning quickly to help pass an emissions test. The active ingredient in this product is polyether amine. This along with petroleum distillate, sweetened middle petroleum distillate, solvent naphtha and naphthalene make up this product.

                            Polyether amine can be found in many additive products. This may also be in the gasoline you use in your vehicle. If you are using a top tier brand gasoline, it may contain this chemical. Typically, they'll have enough to keep the engine clean in the regular and mid-grade and enough to actively clean in the premium grade.

                            Since you are not trying to clean up the vehicle for an emissions test, a great option would be Chevron Techron Concentrate Fuel System Cleaner (Part No. 65740 [20oz] or 67740 [12oz]). If your fuel contains ethanol, you may find that an ethanol treatment, such as Sta-bil Ethanol Treatment (Part No. 22264), Lucas Oil Products Ethanol Fuel Conditioner (Part No. 10576) or Sta-Bil 360 Protection (Part No. 22284) can also help to keep your vehicle in top shape.

                            Answered on 12/19/2014 by Heath, ASE Parts Specialist from AAP
                        • Q:

                          I have a 1990 BMW 325i that passed everything except HC at idle.

                          Will this lower HC emmissions at idle?

                          Thank you,
                          Kelly Guido Pavan
                          Asked on 10/14/2014 by Guido from Barnegat, NJ

                          1 answer

                          • CUSTOMER CARE

                            A:

                            I'm happy to help, Guido! CRC Guaranteed to Pass® Emissions Test Formula (Part No. 05063)has been shown to reduce CO, HC and NOx emissions and may help your 1990 BMW 325i pass its idle HC emissions. CRC offers a double money back guarantee if you are unable to pass your emissions test after following the product instructions.

                            This product utilizes a chemical called polyether amine or PEA which is also in other fuel system cleaners such as Chevron Techron Concentrate Fuel System Cleaner (20oz. - Part No. 65740, 12oz. Part No. 67740), Gumout Multi-System Tune-Up (Part No. 510011) as well as Gumout Regane products and others.This chemical is also found in some of the Top Tier gasoline brands as well.

                            This chemical does an excellent job at cleaning engines and reducing emissions. CRC recommends that you run this product through a full tank of fuel before going for your emissions testing. It is also recommended to make sure your vehicle is up to operating temperature before going for the testing as the engine will not be at peak efficiency when it is cold.

                            Answered on 10/29/2014 by Heath, ASE Parts Specialist from AAP
                        • Q:

                          I have a 1995 Jeep Grand Cherokee Laredo 6V with 185K miles and I'm in California. My first smog passed all with exception of NOX at 15 mph. Allowed max. is 457 and my car came in at 500. At 25 mph max. allowed was 533 and it came in at 314. Will this product help and possibly make it pass a second time around? Thanks!
                          Asked on 10/6/2014 by MP from San Francisco, CA

                          1 answer

                          • CUSTOMER CARE

                            A:

                            I'm happy to help, MP! It's definitely possible that this CRC Guaranteed to Pass® Emissions Test Formula (Part No. 05063) may help you pass your emissions test in California with your 1995 Jeep Grand Cherokee Laredo L6. This product utilizes a chemical called polyether amine or PEA which is also in other fuel system cleaners such as Chevron Techron Concentrate Fuel System Cleaner (20oz. - Part No. 65740, 12oz. Part No. 67740), Gumout Multi-System Tune-Up (Part No. 510011) as well as Gumout Regane products and others. This additive is also found in some of the Top Tier gasoline brands as well.

                            This additive does an excellent job at cleaning engines and reducing emissions. CRC recommends that you run this product through a full tank of fuel before going for your emissions testing. It is also recommended to make sure your vehicle is up to operating temperature before going for the testing as the engine will not be at peak efficiency when it is cold.

                            Answered on 10/14/2014 by Heath, ASE Parts Specialist from AAP
                        • Q:

                          I WANT TO KNOW IF THIS PRODUCT REDUCE THE EMISIONS (CO)AND HOW MUCH
                          Asked on 4/1/2014 by claudia from L A

                          1 answer

                          • CUSTOMER CARE

                            A:

                            Hi Claudia, glad to assist you! This product will reduce emissions and improving performance. Use every 3,000 miles to help improve fuel economy, acceleration and reduce emissions.

                            Answered on 4/2/2014 by Steve from AAP
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