20 Best Catalytic Converter Test Kit in 2024 Reviews and Buying Guide

1,904 (rnd) Reviews Scanned

# Preview Product Rating
1 JRangelp Exhaust Back Pressure Tester Car Catalytic Converter Clog Tester Exhaust Back Pressure... JRangelp Exhaust Back Pressure Tester Car Catalytic Converter Clog Tester Exhaust Back Pressure...
2 CMTOOL Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge Kit, Car Exhaust... CMTOOL Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge Kit, Car...
3 Exhaust Back Pressure Tester - Angchun Exhaust Back Pressure Gauge with 6FT Hose 2.5' Gauge and... Exhaust Back Pressure Tester - Angchun Exhaust Back Pressure Gauge with 6FT Hose 2.5" Gauge and... No ratings yet
4 Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust Back... Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust Back... No ratings yet
5 Fuel Injector Cleaner Kit, Non-Dismantle Fuel Injection System Cleaner Tester 1L 150PSI Fuel... Fuel Injector Cleaner Kit, Non-Dismantle Fuel Injection System Cleaner Tester 1L 150PSI Fuel... No ratings yet
6 Fuel Injector Cleaner Kit Fuel System Cleaning Kit with 40 Adapters Automotive Injector Cleaning... Fuel Injector Cleaner Kit Fuel System Cleaning Kit with 40 Adapters Automotive Injector Cleaning...
7 Zcargel Exhaust Back Pressure Tester, Exhaust Tester Three Way Catalytic Converter Test Kit Pressure... Zcargel Exhaust Back Pressure Tester, Exhaust Tester Three Way Catalytic Converter Test Kit... No ratings yet
8 Sealey (SEAQF) VSE953 Catalytic Converter Back Pressure Test Kit, Multicoloured Sealey (SEAQF) VSE953 Catalytic Converter Back Pressure Test Kit, Multicoloured No ratings yet
9 LINXINO Exhaust Back Pressure Tester, Automotive Exhaust Back Pressure Gauge Kit with 6ft Hose &... LINXINO Exhaust Back Pressure Tester, Automotive Exhaust Back Pressure Gauge Kit with 6ft Hose &... No ratings yet
10 (2 Pack) Reusable Ethanol Test Kit - Spill-Free Wide Mouth, Bold Labels & Durable E85 Tester Kit... (2 Pack) Reusable Ethanol Test Kit - Spill-Free Wide Mouth, Bold Labels & Durable E85 Tester Kit... No ratings yet
11 CRC Guaranteed to Pass Emissions Test Formula, 12 Fluid Ounce CRC Guaranteed to Pass Emissions Test Formula, 12 Fluid Ounce No ratings yet
12 AUTOOL Fuel Injector Cleaner Kit Fuel System Cleaner, Non-dismantle Fuel Injector Cleaner Tester... AUTOOL Fuel Injector Cleaner Kit Fuel System Cleaner, Non-dismantle Fuel Injector Cleaner Tester... No ratings yet
13 FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda Accord 2003 2004 2005 2006 2007... FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda Accord 2003 2004 2005 2006 2007... No ratings yet
14 Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion... Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion... No ratings yet
15 Non-dismantle Fuel Injector Cleaner Kit, Automotive Non-dismantle Injector Tester, Car Fuel System... Non-dismantle Fuel Injector Cleaner Kit, Automotive Non-dismantle Injector Tester, Car Fuel... No ratings yet
16 FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Toyota Corolla Matrix Pontiac Vibe 2003... FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Toyota Corolla Matrix Pontiac Vibe... No ratings yet
17 DUOYI Exhaust Back Pressure Tester 2.5' HD Pressure Gauge Exhaust Back Pressure Gauge Kit with 6ft... DUOYI Exhaust Back Pressure Tester 2.5" HD Pressure Gauge Exhaust Back Pressure Gauge Kit with...
18 Catalytic Converter Cleaner New Technology Very Effective kit Catalytic Converter Cleaner New Technology Very Effective kit No ratings yet
19 A-Premium Catalytic Converter Kit Direct-Fit Compatible with Chevy & GMC - Avalanche, Silverado... A-Premium Catalytic Converter Kit Direct-Fit Compatible with Chevy & GMC - Avalanche, Silverado... No ratings yet
20 FOMIUZY 2.5 Inch Inlet/Outlet Universal High Flow Front Catalytic Converter Direct-Fit with O2 Port... FOMIUZY 2.5 Inch Inlet/Outlet Universal High Flow Front Catalytic Converter Direct-Fit with O2... No ratings yet

Bestseller No. 1
JRangelp Exhaust Back Pressure Tester Car Catalytic Converter Clog Tester Exhaust Back Pressure...
  • ✉Professional Tool✉ This exhaust back pressure gauge is a professional tool dedicated to diagnosing problem areas in exhaust system back pressure,...
  • ✉Comprehensive Tool Set✉ Equipped with an adapter, M12 and M18, you can connect the exhaust back pressure gauge to the port of the exhaust system....
  • ✉2.5-INCH Pressure Gauge✉ With a 2.5'' pressure dial with easy-to-read markings in PSI and bar; three color-free color bars clearly indicate...
  • ✉High Efficiency✉ This exhaust pressure tester should be tested at idle and 2500rpm. Note that the pressure should be less than 1.25psi at idle...
  • ✉Convenient to Carry✉ Come with a tool box, you can store all accessories in this box, which is convenient for carrying and storage, so that the...
Bestseller No. 2
CMTOOL Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge Kit, Car Exhaust...
  • 1.【Professional Exhaust Back Pressure Tester】The diagnostic function of the back pressure tester can help you quickly and accurately determine the...
  • 2.【2.5-Inch HD Gauge & Rubber Vibration Cover】The adapter for exhaust pressure test is M12 and M18 thread, also comes with a 2.5 inch easy-to-read...
  • 3.【2 Pressure Units & 3 Color Bands】The exhaust pressure tester has 2 pressure units (PSI and Bar) and 3 colors to indicate good or bad status,...
  • 4.【High Temperature Resistant 6ft Hose】The hose is made of special thickened silicone material, which is not only wear-resistant but also high...
  • 5.【24-Hour Service and 3-Year Warranty】We offer 24-hour friendly customer service and a 36-month free warranty for this exhaust back pressure...
Bestseller No. 3
Exhaust Back Pressure Tester - Angchun Exhaust Back Pressure Gauge with 6FT Hose 2.5" Gauge and...
  • 👍👍👍【Professional Diagnostic Tool】The catalytic converter tester is designed to help you quickly and accurately understand the condition...
  • 👍👍👍【Accurate Gauge】The exhaust back pressure tester's 2.5" inch gauge has easy-to-read markings in psi and bar. 3 colors to indicate the...
  • 👍👍👍【Easy to Use】Just disconnect the sensor wires and remove the sensor. Install the sensor adapter. And then push the hose end onto the...
  • 👍👍👍【Complete Accessories】The special 2.5" gauge with rubber protector has two multi-colored bands, with pressure shown in psi and bar....
  • 👍👍👍【Warmly Reminder】The pressure gauge is checked and calibrated to ensure accurate test results. If the meter pointer is not in the...
Bestseller No. 4
Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust Back...
  • Exhaust Back Pressure Test: This gauge easy to to test pre and post catalytic converter back pressures, check exhaust for clearance issues, helps...
  • Check Fuel Pump Pressure: This vacuum gauge could checking fuel pump delivery pressure, only mechanical fuel pump systems, not to be used to check...
  • Check Manifold Vacuum: Use this vacuum gauge measure the manifold vacuum pressure, helped you troubleshoot the system and find the failed component....
  • Digital Display Gauge: Our vacuum gauge is digital display, the unit is Kpa and mbar, you can switch between two units, digital dial will more direct...
  • Complete Kit: This kit have 7pc different brass cone, and 4pc different plastic cone, and 2pc different adapters, so you can connect different part,...
SaleBestseller No. 5
Fuel Injector Cleaner Kit, Non-Dismantle Fuel Injection System Cleaner Tester 1L 150PSI Fuel...
  • 🔺FUEL SYSTEM CLEANING - Angchun fuel injector cleaner kit can improve fuel supply, full combustion, and reduce exhaust emissions effectively. The...
  • 🔺WORKING PRESSURE ADJUSTMENT - The pressure of Angchun intake valve manifold throttle body catalytic converter cleaner machine can be adjusted for...
  • 🔺WIDE APPLICATION - The fuel injector system cleaning tool includes many different kinds of adapters, which cover almost all the EU, Asia, USA cars...
  • 🔺Complete Adapters for Wide Compatibility - The adapters in this fuel injection cleaning kit are the most complete on the market. Its main parts...
  • 🔺Professional Cleaner Tool: Improper cleaning of automobile fuel system will lead to TWC blockage and poisoning. fuel injector cleaner kit is a...
Bestseller No. 6
Fuel Injector Cleaner Kit Fuel System Cleaning Kit with 40 Adapters Automotive Injector Cleaning...
  • 1.【1000ML Stainless Steel Canister & 150PSI Pressure Gauge】The fuel injector cleaning tool adopts a delicate high-pressure stainless steel bottle...
  • 2.【Complete Adapters for Wide Compatibility】The adapters in this fuel injection cleaning kit are the most complete on the market. Its main parts...
  • 3.【Bottom Oil Outlet & Hook & Rubber Protective Cover & Case】The advantage of the bottom oil outlet design is that there is no residue in the...
  • 4.【Efficient Cleaning & Wide Application】Pneumatic cleaning, without external power supply, avoiding the fire hazard caused by electric sparks....
  • 5.【Packing List and 3-Year Warranty】The auto fuel injector cleaning kit include 25pcs vehicle adapters, 1pc TWC cleaning joint, 1pc throttle...
Bestseller No. 9
LINXINO Exhaust Back Pressure Tester, Automotive Exhaust Back Pressure Gauge Kit with 6ft Hose &...
  • 【PROFESSIONAL DIAGNOSTIC TOOL】The exhaust back pressure tester is a special tool for testing the exhaust back pressure of the engine, which helps...
  • 【PRECISE READING】The dial size of the exhaust back pressure tester is 2.5 inches. It has two pressure units, PSI and bar. Three colors indicate...
  • 【EASY TO USE】The exhaust back pressure tester is equipped with a 6-foot hose, allowing users to test on the driver's seat.The adapter for exhaust...
  • 【HIGH QUALITY】The meter head of the exhaust back pressure tester is equipped with a rubber sheath to prevent damage and facilitate carrying....
  • 【24-HOUR SERVICE】The exhaust back pressure test kit has been professionally tested. Please feel free to purchase it! Your satisfaction is very...
Bestseller No. 10
(2 Pack) Reusable Ethanol Test Kit - Spill-Free Wide Mouth, Bold Labels & Durable E85 Tester Kit...
  • Accurate Result in 3 Steps: Get precise results quickly with this E85 tester kit. The ethanol test kit provides reliable ethanol level readings in...
  • Wider Opening for Spill-Free Tests: Designed for convenience, the fuel tester features a larger opening, making it easy to collect fuel samples...
  • Durable & Reusable Ethanol Testing Kit: Made from high-quality materials, this E85 tester bottles withstands heat and deformation. Designed for...
  • Portable Fuel Tester Kit: Compact and easy to carry, this E85 test kit is ideal for on-the-go testing. Whether you are an automotive enthusiast or a...
  • Convenient 2-Pack E85 Test Kit: Each purchase includes a 2-Pack E85 test kit, providing extra value and convenience. Have a backup or share with a...
SaleBestseller No. 11
CRC Guaranteed to Pass Emissions Test Formula, 12 Fluid Ounce
  • GUARANTEED TO PASS: CRC's Guaranteed to Pass Emissions Test Formula reduces your car's emissions and improves power; performance; and fuel economy in...
  • ADVANCED FORMULA: This product uses a powerful detergent to soften and dissolve sludge in the fuel system; removing deposits and residue.
  • APPLICATIONS: Advanced detergent formula for use in all cars; SUVs; trucks; and hybrids using gasoline or ethanol blends. Safe for all gasoline...
  • PRODUCT SPECIFICATIONS: Guaranteed To Pass comes in a 12 fl oz bottle.
  • CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain; protect and repair different marine; heavy-duty motor...
Bestseller No. 12
AUTOOL Fuel Injector Cleaner Kit Fuel System Cleaner, Non-dismantle Fuel Injector Cleaner Tester...
  • 【Multi-functional Fuel Injector Cleaner Kit】The fuel injector cleaner kit features high and low-pressure cleaning function for the whole fuel...
  • 【Easy Operation】The non-disassembled fuel injector cleaner kit has a special handling check valve for releasing gas and adding liquid. Adjustable...
  • 【Complete Adapters for Widely Applications】The fuel injector cleaning kit includes a variety of different adapters, which can be used in almost...
  • 【Easy to Store and Transport】The fuel injector cleaner kit is equipped with a heavy blow molded plastic box, which can withstand high-strength...
  • 【Three Years Warranty】For any quality problems. If C100 has any defect, we will provide new replacement or solutions for our customers until...
Bestseller No. 13
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda Accord 2003 2004 2005 2006 2007...
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This...
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long...
  • 【Fits For】: 2003-2007 Honda Accord 2.4L
  • 【Standards】: Our catalytic converters have strict production procedures and comply with Obd3 standards. However, due to the increased standards in...
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save...
Bestseller No. 14
Catalytic Converter Cleaner Pass Emissions Test Cleans Catalyst, Oxygen Sensor and Combustion...
  • Effectively cleans and unclogs catalytic converters, improving overall performance.
  • Helps restore lost horsepower and fuel efficiency.
  • Reduces the risk of engine damage.
  • Easy to use additive that can be directly added to the fuel tank during refueling.
  • Compatible with all gasoline and hybrid vehicles.
SaleBestseller No. 15
Non-dismantle Fuel Injector Cleaner Kit, Automotive Non-dismantle Injector Tester, Car Fuel System...
  • 3-In-1 non-dismantle fuel injector cleaning kit can clean the entire fuel system (fuel nozzle, throttle valve, combustion chamber), air-intake system,...
  • Capable of clearing carbon deposit, promote vehicle power, and reduce fuel consumption
  • Adapters included to fit a variety of makes and models (petrol 12V), resistant to friction and corrosion
  • Non-dismantle cleaning tool, easy to use; other fittings to make cleaning more flexible and efficient
  • Note: For gasoline injector, not for diesel injector
Bestseller No. 16
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Toyota Corolla Matrix Pontiac Vibe 2003...
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd3 standards. However, due to the...
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This...
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long...
  • 【Fits For】: 2003-2008 Toyota Corolla 1.8L | 2003-2008 Toyota Matrix 1.8L | 2003-2008 Pontiac Vibe 1.8L
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save...
SaleBestseller No. 17
DUOYI Exhaust Back Pressure Tester 2.5" HD Pressure Gauge Exhaust Back Pressure Gauge Kit with 6ft...
  • 【Professional Diagnosis of Exhaust Blockage Fault】Exhaust back pressure gauge tester is designed to diagnose where back pressure problems in the...
  • 【Simple And Practical Exhaust Back Pressure Gauge Kit】Exhaust pressure tester is tested at idle speed and 2500 rpm.At idle,read the lower scale on...
  • 【HD Dual Scale Pressure Gauge & Shockproof rubber Cover】Equipped with a 2.5" HD pressure gauge designed with high visibility PSI/Bar pressure...
  • 【6ft abrasion/heat resistant hose & M12 and M18 thread adapters】Exhaust back pressure tester hose length is made of high quality silicone material...
  • 【3 years warranty&Warm Tips】Instrument is provided with 3 years free warranty. To ensure accurate test results,the pressure gauge has been checked...
Bestseller No. 18
Catalytic Converter Cleaner New Technology Very Effective kit
  • the most effective and inexpensive cleaning solution
  • Clean and protect catalytic converter material
  • Not required disassembling, easy to use
  • Clean your vehicle catalytic converter instead of replacing it
  • Will fix P0420 & P0430 codes if Catalyst not broken
Bestseller No. 19
A-Premium Catalytic Converter Kit Direct-Fit Compatible with Chevy & GMC - Avalanche, Silverado...
  • [Vehicle Fitment-1]: Compatible with Chevrolet Avalanche 2009-2013 V8 5.3L, Avalanche 2009 V8 6.0L, Silverado 1500 2009-2013 V6 4.3L, Silverado 1500...
  • [Vehicle Fitment-2]: Compatible with GMC Sierra 1500 2009-2013 V6 4.3L, Sierra 1500 2009-2013 V8 4.8L 5.3L 6.0L, Yukon 2009 V8 4.8L, Yukon 2009-2014...
  • [Reference Number]: 50490, 194371, 194372
  • [Specification]: ① E.P.A. Compliant: Yes; ② Vehicle's Emissions Specifications: Federal Emissions; ③ Restricted States: CA, NY, CO, ME; ④...
  • [E.P.A Compliant]: EPA-compliant catalytic converters cannot be sold or installed in California and Colorado and, under certain circumstances, in...
Bestseller No. 20
FOMIUZY 2.5 Inch Inlet/Outlet Universal High Flow Front Catalytic Converter Direct-Fit with O2 Port...
  • 【Direct Replacement】: If your engine throws P0420 code, or your cat is stolen, then it is recommended to buy this kit to solve the problem. This...
  • 【High Quality】: The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long...
  • 【Specification】: 2.5" Inlet , 2.5" Outlet , 11" Overall Length.Please check whether your vehicle exhaust has the appropriate size before...
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd3 standards. However, due to the...
  • 【Buy With Confidence】:Our catalytic converter tube pipe assembly has a lifetime warranty. If the part fails or breaks, please contact us for...
.

FAQ:

Q: How do you check a catalytic converter?

A: Check out the recent crimes reported in the … Avenue in Lake Grove from Jan. 14 at 8 p.m. Someone stole a catalytic converter from a 2000 Honda Accord, police said. Jan. 17: Grand larceny …

Q: How to check catalytic converter is bad?

A: Engine accelerates poorly or is hard to start. These issues could indicate a clogged catalytic converter,restricting the flow of exhaust out of the engine. A sulfur or “rotten egg” smell. … catalytic converter’s housing is discolored or warped rattling noise when starting the engine Failing the annual or semi-annual emissions test Vehicle warning lights. …

Q: How to test catalytic converter with infrared thermometer?

A: Switch on the engine and let it idle for 20 minutes. … Leave the engine idling and set the car in park (or neutral for a manual). Check if you have enough clearance to get under the car. … Take an infrared thermometer and measure the temperature at the front of the catalytic converter. …

Q: How to check a catalytic converter in your car?

A: – Take a 10-15 minute drive. – Use an OBD2 scanner capable of live data reading – Find the responsible O2 sensor on the OBD2 – Your O2 sensor voltage should be around 0.5-0.7V. – Make sure to check both O2 banks. – Pick any number on the reading, let’s say 0.6. …