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Frequently Asked Questions

What is the difference between an OBD-I Catalytic Converter and an OBD-II Catalytic Converter?

Frequently asked questions
OBD stands for On Board Diagnostic. There are 2 versions. OBD-I and OBD-II. In 1970 Congress passed the Clean Air Act and established the Environmental Protection Agency (EPA). This started a series of graduated emission standards and requirements for maintenance of vehicles for extended periods of time. To meet these standards, manufacturers turned to electronically controlled fuel feed and ignition systems.
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What about the catalytic converter?

Zorst Flamethrowers
The biggest restriction to your flames is the catylitic converter(cat) that is installed on late model cars to burn off excess fuel before it leaves the exaust system, because the flamethrower system relies on unburnt fuel coming out the exaust to create flames the cat may reduce the size of flame you will get.
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What is the OBD-II test?

Frequently Asked Questions
OBD stands for On-Board Diagnostics and this is the second generation of this technology. Starting in 1996, all vehicles sold in the United States were required to include this technology. It requires a computer on board the vehicle that monitors the engine and power train systems and logs any problems that could cause the vehicle's emissions to increase. A failed OBD-II test means that there is a problem with the vehicle.
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What is OBD II?

State of Delaware Division of Motor Vehicles
OBD is short for "On-Board-Diagnostic" and simply refers to those systems that are controlled or incorporated into the new automobile computers to monitor or control systems that affect the vehicle emissions. The Clean Air Act of 1970 established the Environmental Protection Agency (EPA) and several graduated emission standards were established over time. Vehicle manufacturers eventually turned to electronics to control the fuel and ignition systems to meet the standards.
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Millisi Automotive Diagnostics Instruments Provider
OBD-II stands for On-Board Diagnostics, II generation. It is a set of documents issued by SAE and ISO, which describe the interchange of digital information between on-board emission-related Electronic Control Units (ECUs) of road vehicles and an OBD-II scan tool.
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FAQ:About OBD-II - MP3Car.com
On-Board Diagnostic systems are in most cars and light trucks on the road today. During the '70s and early 1980's manufacturers started using electronic means to control engine functions and diagnose engine problems. This was primarily to meet EPA emission standards. Through the years on-board diagnostic systems have become more sophisticated.
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What is the difference between a Fitch® Fuel Catalyst and a Catalytic Converter?

Fitch Fuel Catalyst Australia - Low Emissions More Power Bet...
The Fitch® Fuel Catalyst pretreats the fuel before the combustion process and by increasing combustion efficiency reduces the creation of pollutants. Catalytic Converters are installed at the end of the combustion process where they remove pollutants after they have already been created.
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What is the difference in a Peake R5/FCX and a generic OBD II type tool?

BMW Reset Tools: Frequently Asked Questions
The R5/FCX is not an OBD II device, it is a BMW specific factory-code scanner. Meaning, it reads the full range of detailed BMW factory codes (which are the same codes the dealer has access to.) In contrast, OBD II tools use a government-mandated, generic code language, and do not read any BMW factory codes. OBD II is not inherently bad, but for BMWs and other European makes, OBD II tools suffer significant limitations. The two most common complaints about OBD II are (1.
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Nitrous Oxide FAQS
Catalytic converters like many other exhaust components, act as a restriction to exhaust flow. Whilst the nitrous system is activated, the volume of exhaust flow through the exhaust system is increased. By restricting the exhaust flow from the engine, less power is produced from a given amount of nitrous. Some people believe that nitrous oxide damages the converter, but that is not the case.
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Do I eliminate my catalytic converter?

California BMW Triumph Motorcycles | Shop | Staintune Freque...
STAINTUNE exhaust systems are not currently equipped with catalytic converters. They have produced prototype catalytic equipped mufflers and systems, but it is not currently a production item. The system components of a STAINTUNE exhaust may eliminate the catalytic converter on your bike, if so equipped. It is currently illegal in the U.S. to remove emissions equipment on any vehicle.
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Q - And my car has a catalytic converter, what now ?

JDS Porsche MAF Airflow Calibration & Repair
A - An oxygen sensor which monitors the exhaust gases before the catalytic converter feeds a signal back to the LH computer, forming a closed loop system.- a "lambda control loop". This loop adjusts the amount of fuel injected, keeping the air/fuel ratio within the very narrow limits required in order to meet emissions standards. The cat can be contaminated by an incorrect fuel/air ratio, so this feedback loop is essential.
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What's the difference between VAG-COM and an OBD-II Scan-Tool?

Ross-Tech: VAG-COM: FAQ Page 1
OBD-II is a government mandated diagnostic protocol that is primarily aimed at diagnosing emissions-related problems. An OBD-II scan tool will work in many different brands of cars. VAG-COM uses VW's proprietary diagnostic protocol and will only work in VW/Audi vehicles. Although you can use an OBD-II Scan Tool in an OBD-II compliant (1996 or newer) VW or Audi, an OBD-II Scan Tool can only talk to the engine, not the numerous other "intelligent" systems in the car.
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Why Perform OBD II Inspection?

State of Delaware Division of Motor Vehicles
On-Board Diagnostic systems (OBD) on 1996 and newer vehicles will be checked as part of Delaware’s vehicle inspection program. OBD technology benefits motorists, repair technicians and our environment. It’s good for motorists because it monitors the vehicles performance every time it is driven and identifies problems immediately allowing service to be done before more serious problems develop.
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What about OBD ii (OBD2) / EOBD?

Auto OBD1 and OBD2, OBD ii, OBDii, EOBD Trouble Code Reading...
The CodeReader will read codes from 95% of Japanese & Korean vehicles assembled outside of the USA and Europe from 1983 to 2003. This includes Engine (Petrol), ABS, Transmision, Airbags, and EFI Deisel code systems. For example the CodeReader will Automatically read codes from 95% of these Japanese and Korean assembled makes: EOBD only relates to Engine and Transmission diagnostic codes, for vehicles sold into the EEC (European) countries after January 2001.
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Why OBD-II but not ECU?

Millisi Automotive Diagnostics Instruments Provider
The OBD II offers a buffer that will keep you or us from damaging your vehicle. The OBD II is used strictly to retrieve and diagnose your vehicles information and is not designed to tamper with or change anything outside of its domain. The only thing that the OBD II can modify on your vehicle is the check engine light and the error codes associated with that function.
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What is OBD II update training?

OBD II Update Training FAQs - De Anza College Automotive Tec...
BAR has the authority to require license applicants (initial and renewal), to attend update training on new automotive technology, prior to filing an application for a smog technician license. In 1996, all vehicle manufacturers were required to adopt a new engine performance computer operating system called On-Board Diagnostics II (OBD II). To successfully inspect and repair these vehicles, Smog Check technicians need to be trained on this system.
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Does my car have OBD-II?

FAQ:About OBD-II - MP3Car.com
All cars built since January 1, 1996 have OBD-II systems. Manufacturers started incorporating OBD-II in various models as early as 1994. Some early OBD-II cars were not 100% compliant. There are three basic OBD-II protocols in use, each with minor variations on the communication pattern between the on-board diagnostic computer and the scanner console or tool.
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How do we measure OBD-II output?

FAQ:About OBD-II - MP3Car.com
Pre-OBD-II cars had connectors in various positions under the dashboard and under the hood. All OBD-II cars have a connector located in the passenger compartment easily accessible from the driver's seat. Check under the dash or behind or near the ashtray. A cable is plugged into the OBD-II J1962 connector and connected to AutoTap or another scan tool. AutoTap is available in PC/laptop or a Palm PDA versions.
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Can I remove the catalytic converter on my Tipo?

Please note that in the UK from 1st January 1996 the MOT has included an emissions test for vehicles equipped with three way catalytic converters. Cars registered after 1st August 1992 (i.e. K prefixes onwards) are required by law to have catalytic converters fitted and will fail the test without them. Cars registered before 1st August 1992 (i.e. J prefixes and earlier) do not require catalytic converters to pass the test.
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Will my catalytic converter be effected by Nitrous Oxide?

Nitrous Kit FAQ
No. Since the use of nitrous is normally limited to 10-20 seconds of continuous use, there usually are no damaging effects. Temperatures are typically well within acceptable standards.
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Can I buy the Cavalier header without the catalytic converter?

Bill's Isuzuperformance; Frequently Asked Questions
The Chevrolet Cavalier Z24/Pontiac Sunfire GT header is sold only as a complete unit, including the catalytic converter. Because GM manufactured the original parts with the catalytic converter welded to the down pipe, it is a violation of US Federal law to sell a header and down pipe assembly without a catalytic converter as part of the assembly. It is illegal to sell this product without the catalytic converter and we will not break the law by doing so.
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Where is my vehicle's OBD II connector?

FAQ - OBD2 Scan Tool Frequently Asked Questions | Auterra
OBD II compliant vehicles must also have a 16-pin connector located in plain sight underneath the dash near the driver's seat. Alternatively it may be behind ashtrays or concealed by an easily removed plastic cover, sometimes with the letters "OBD" stamped on the outside.
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How do I pass the OBD II emission inspection?

State of Delaware Division of Motor Vehicles
With the key on and the engine off, the Malfunction Indicator Lamp (MIL) is checked to verify that it works; and, A cable is attached to the on-board computer connection (called a Data Link Connector or DLC) that checks the OBD system status. You can easily verify that you will pass the 1st criteria by confirming that the MIL bulb lights-up when the key is turned to the full on position without starting the engine. Then start the engine and see if the MIL stays on.
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Which OBD-II protocol is supported by my vehicle?

Millisi Automotive Diagnostics Instruments Provider
There are three types of interfaces that we offer (ISO, VPW, PWM). You can find out what interface your vehicle supports by viewing this document. If you are unable to locate your vehicle in the list (ignore the year), then contact us for further assistance.
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What is OBD? What is the difference between OBD-1 and OBD-2?

_2
OBD-1 is in reference to Title 13 California Code 1968 titled "Malfunction and Diagnostic System for 1988 and Subsequent Model Year Passenger Cars, Light-Duty Trucks, and Medium-Duty Vehicles with three-way Catalyst Systems and Feedback Control." filed on 11-15-85. This required cars sold in California to have an on-board computer processor for on-board self diagnostics of computer sensed emission related components, fuel metering device and EGR (exhaust gas recirculation system).
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Can I use a universal catalytic converter in place of a direct fit converter?

Full Line Exhaust - FAQ
Yes, with certain stipulations. We suggest in those cases, especially where the car requires an OBDII catalytic converter that you contact an experienced installer. Placement of the universal catalytic converter can be very critical.
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