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

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1 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...
2 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...
3 OEMTOOLS 37263 Exhaust Back Pressure Tester/Gauge, Catalytic Converter Test Kit, Exhaust Pressure... OEMTOOLS 37263 Exhaust Back Pressure Tester/Gauge, Catalytic Converter Test Kit, Exhaust Pressure...
4 Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge 2.5' Gauge with Rubber... Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge 2.5" Gauge with Rubber...
5 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
6 CMTOOL Fuel Injector Cleaner Kit 1000ML 150PSI Fuel Injector Cleaning Kit Non-Dismantle Car... CMTOOL Fuel Injector Cleaner Kit 1000ML 150PSI Fuel Injector Cleaning Kit Non-Dismantle Car...
7 Homoyoyo Automobile Exhaust Back Pressure Tester, Practical Pressure Gauge Tester, Catalytic... Homoyoyo Automobile Exhaust Back Pressure Tester, Practical Pressure Gauge Tester, Catalytic... No ratings yet
8 Replacement Car Exhaust Back Pressure Tester Gauge Meter DiagnosticTool Catalytic Converter Clog... Replacement Car Exhaust Back Pressure Tester Gauge Meter DiagnosticTool Catalytic Converter Clog... No ratings yet
9 DPTOOL Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust... DPTOOL Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust... No ratings yet
10 Scicalife Exhaust Back Pressure Tester Gauge Catalytic Converter Test Kit Exhaust Pressure Tester... Scicalife Exhaust Back Pressure Tester Gauge Catalytic Converter Test Kit Exhaust Pressure Tester... No ratings yet
11 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... No ratings yet
12 JRangelp Automotive Exhaust Back Pressure Tester Kit Car Catalytic Converter Clog Tester Exhaust... JRangelp Automotive Exhaust Back Pressure Tester Kit Car Catalytic Converter Clog Tester Exhaust... No ratings yet
13 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
14 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
15 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
16 LINXINO Fuel Injector Tester Cleaner Tool Kit,Auto Fuel Injector Cleaner kit with 8 Pulse Modes,6... LINXINO Fuel Injector Tester Cleaner Tool Kit,Auto Fuel Injector Cleaner kit with 8 Pulse Modes,6... No ratings yet
17 FOMIUZY High Flow Rear Catalytic Converter Kit Direct-Fit Nissan Altima 2007 2008 2009 2010 2011... FOMIUZY High Flow Rear Catalytic Converter Kit Direct-Fit Nissan Altima 2007 2008 2009 2010 2011... No ratings yet
18 FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda CRV CR-V 2007 2008 2009 2.4L... FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda CRV CR-V 2007 2008 2009 2.4L...
19 MAYASAF【2 pack】2.25' Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA... MAYASAF【2 pack】2.25" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield... No ratings yet
20 FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000... FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999... No ratings yet

Bestseller No. 1
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. 2
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. 3
OEMTOOLS 37263 Exhaust Back Pressure Tester/Gauge, Catalytic Converter Test Kit, Exhaust Pressure...
  • SAFETY FIRST: The catalytic converter tester allows you diagnose problem areas in your exhaust system’s back pressure; Get crucial knowledge of your...
  • EASY TO USE: The exhaust back pressure kit connects to exhaust system’s oxygen sensor; Oxygen sensor adapters with exhaust back pressure gauge are...
  • ACCURATE GAUGE: The exhaust backpressure tester's 2-1/2 inch gauge has easy-to-read markings in PSI and bar; Multi-color bar indicates good or bad...
  • DIAGNOSE PROBLEM AREAS: The exhaust pressure gauge allows you to see if you have a clogged catalytic converter or an obstructed muffler; Back pressure...
  • TRANSPORTABLE: The back pressure test tool comes in a sturdy and solid carrying case for easy transportation; Exhaust back pressure gauge's case is...
Bestseller No. 4
Exhaust Back Pressure Tester with 6-Foot Hose, Exhaust Back Pressure Gauge 2.5" Gauge with Rubber...
  • 👍👍👍【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. 5
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. 6
CMTOOL Fuel Injector Cleaner Kit 1000ML 150PSI Fuel Injector Cleaning Kit Non-Dismantle Car...
  • 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. 7
Homoyoyo Automobile Exhaust Back Pressure Tester, Practical Pressure Gauge Tester, Catalytic...
  • --- Made of high- quality materials, durable and safe to use for a long time. Portable and lightweight, easy to carry.
  • --- This product can give full play to the function of the car exhaust gas detector. It enables technicians to test the exhaust back pressure through...
  • --- Hose allows the user to test from the drivers seat, and the exhaust back pressure gauge kit makes your repairs easier, saving you time and effort.
  • --- This product has fine workmanship and is easy to use. The detection accuracy is relatively accurate. Highly visible markers greatly help users...
  • --- The probe is equipped with a rubber sheath to damage. This is the perfect exhaust back pressure tester kit, a must- have for anyone doing car...
Bestseller No. 8
Replacement Car Exhaust Back Pressure Tester Gauge Meter DiagnosticTool Catalytic Converter Clog...
  • Car Exhaust System Back Pressure Tester Meter Diagnostic Tool Exhaust System Diagnostic Tool Exhaust Back Pressure Tester
  • Adaptor fits into oxygen sensor hole enabling back pressure of mufflers and catalytic converters
  • Gauge adapter threads into oxygen sensor ports (both 12mm and 18mm). Test at idle and at2500 rpm's. Pressure should be below 1.25psi at idle and below...
  • Higher readings indicate a restriction which should be corrected.
  • Package including 1 SET OF Car Exhaust System Back Pressure
Bestseller No. 9
DPTOOL Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust...
  • 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,...
Bestseller No. 10
Scicalife Exhaust Back Pressure Tester Gauge Catalytic Converter Test Kit Exhaust Pressure Tester...
  • The tester can complete your test work well and help you better understand your car information.
  • This is a very professional and durable automotive exhaust back pressure tester suitable for most vehicle applications on the market.
  • Reasonable structure, simple operation, convenient application, can help you test quickly and accurately.
  • Fast and accurate, time- saving, precise and efficient, it will be your best choice for testing tools.
  • Fine workmanship, excellent texture, simple and practical, it can test the front pressure of the catalytic converter to determine whether the exhaust...
Bestseller No. 11
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,if you have any questions during the use,please feel free to contact...
Bestseller No. 12
JRangelp Automotive Exhaust Back Pressure Tester Kit Car Catalytic Converter Clog Tester Exhaust...
  • ✉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...
  • ✉Premium Quality✉ Made of high-quality materials, strong and durable. The meter head is equipped with a rubber sleeve to prevent damage and easy...
  • ✉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...
  • ✉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....
  • ✉Convenient to Carry✉ Come with a tool box in blue color, you can store all accessories in this box, which is convenient for carrying and storage,...
Bestseller No. 14
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. 15
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. 16
LINXINO Fuel Injector Tester Cleaner Tool Kit,Auto Fuel Injector Cleaner kit with 8 Pulse Modes,6...
  • 【Function & Application】LINXINO Automotive injector tester is a dual function tester and cleaner that not only tests injectors, diagnoses clogged...
  • 【8 Pulse Modes &Large LED display】LINXINO Automotive injector tester has 4 signal output modes (short/medium/long/continuous pulse mode) and 8...
  • 【6 white tube adapters】LINXINO fuel injector tester cleaner kit is equipped with 6 white tube adapters (3 big and 3 small) for connecting the...
  • 【A pair of DIY Injector Cleaner Adapter Kits】Equipped with a pair of DIY Injector Cleaner Adapter Kits,when the injector is clogged, you can use...
  • 【Test Two Injectors Simultaneously & Protection】Compared with the traditional injector cleaner and tester, this automobile injector cleaner and...
Bestseller No. 17
FOMIUZY High Flow Rear Catalytic Converter Kit Direct-Fit Nissan Altima 2007 2008 2009 2010 2011...
  • 【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】: 2007-2016 Nissan Altima 2.5L
  • 【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 has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save...
Bestseller No. 18
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Honda CRV CR-V 2007 2008 2009 2.4L...
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd2 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】: 2007-2009 Honda CRV 2.4L
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save...
Bestseller No. 19
MAYASAF【2 pack】2.25" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA...
  • 【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. Please consult your state’s aftermarket converter...
  • 【Vehicle Fitment】Standard 2.25 inches inside diameter inlet /outlet, 13 inches overall length. Universal fit for vehicles with similar size outer...
  • 【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding,...
  • 【Durable】Made from Features HD-Stainless steel, internal structure is fully tested under the extreme conditions for service life.
  • 【Service and Warranty】EPA CERTIFIED, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you...
Bestseller No. 20
FOMIUZY High Flow Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000...
  • 【Standards】: Our catalytic converters have strict production procedures and comply with EPA standards and Obd2 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】: ☆For Chevy 1999-2006 Chevy Silverado 1500 4.3L 4.8L 5.3L | 2007 Chevy Silverado 1500 Classic 4.8L 5.3L | 1999-2000 Chevy Silverado...
  • 【Buy With Confidence】:Our catalytic converter has a lifetime warranty. If the part fails or breaks, please contact us for replacement. Save...
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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. …