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โฝ Clean fuel, clear conscience: Pass emissions like a pro!
CRC 05063 is a high-performance fuel system cleaner formulated with the maximum allowable detergent chemistry to dissolve sludge and deposits. Compatible with all gasoline and ethanol blends, it is designed for use every 3,000 miles to improve fuel economy, acceleration, and reduce emissions, helping maintain engine health and prevent mildew.









| ASIN | B000CIPUR8 |
| Best Sellers Rank | #126,747 in Health ( See Top 100 in Health ) #546 in Disinfectant Sprays & Liquids |
| Brand | CRC |
| Brand Name | CRC |
| Contains Liquid Contents? | No |
| Customer Reviews | 3.9 out of 5 stars 3,189 Reviews |
| Global Trade Identification Number | 00078254050638 |
| Has liquid contents | No |
| Item Weight | 0.01 Ounces |
| Item weight | 0.01 Ounces |
| Manufacturer | CRC |
| Model Number | 05063 |
| Number of Items | 1 |
| Part Number | 05063 |
| Size | 1 unidad (Paquete de 1) |
| Special Features | Not_Performance_Used |
| Special features | Not_Performance_Used |
| UPC | 078254050638 |
| Unit Count | 1 Count |
| Unit count | 1 Count |
F**I
Not really useful
The engine check light disappeared for two days and came back. Before every time I reset the error code the engine check light would not come back before few days, but after using this product the it would come back next drive.
G**K
I added this to my fuel and in the race ...
I added this to my fuel and it shut off the engine icon on the dashboard for a few days. The light has since came back on so I may need another treatment. Time will tell.
D**N
Works if you need help. Not a miracle in a bottle.
It has worked every time I've used this product. Won't fix a damage catalytic converter but will help you pass the test if your car almost passed.
R**N
P0 420 check engine lite on?
A fruend called me anout her MIL/Enginel light coming on. P0 420 came on i think. O2 sensor bank 1. Exhaust had good pressure so catalytiv wasnt plugged up. So bought some of this and her light went out i assume bevause she said its ok (shes vietnamese with not the best English) and hasnt mentioned it in last 3 weeks. I bought a few more to give her some for next time when needed and for my 09 small truck.
B**B
Reliable product.
CRC Guaranteed to Pass Emissions Test Formula is an exceptional product that offers good value for money, saving drivers from costly mechanic diagnostic fees. This 12 fluid ounce additive delivers good performance by thoroughly cleaning the fuel system, combustion chambers, and exhaust parts to drop harmful emission levels. It is incredibly reliable and has worked every year for the past 4 years for me to ensure a hassle-free inspection pass. You simply pour it into a near-empty tank, fill up, and drive. For anyone needing a dependable, budget-friendly solution to clear out engine deposits before inspection day, this formula is highly recommended.
B**N
Before use on March 15 two days later March 17 engine light still on
I read the specs on this product and it was guaranteed to cleanse as well as turn engine light off in vehicle. I received it March 14.2026 and used it on March 15.2026 I took a picture on Sunday before I entered it into the gas tank engine light was on at that time. Today is March 17.2026 and engine light is still on. The truck was driven for one hour on the 15th 45 minutes on the 16th and 50 minutes on 17 March. Still the engine light is on. Got home parked the vehicle took a picture again to show engine light is still on product guaranteed it was shut it off, but unfortunately product does not work.
Trustpilot
4 days ago
1 month ago