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Answered 2007-02-22 20:14:34

If it came from the factory with a cat it is aganst federal law to remove it... also if it has o2 sensors before and after the cat it will affect running of the truck...

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Do i need a catalytic converter with a catback exhaust?

Catback is shortened slang for "everything back from the catalytic converter". It is a bolt on exhaust which connects to the rear of the pipe holding the catalytic converter, and ends with the muffler and exhaust tip. In short, you need a cat to have a catback.


Can you cut your exhaust short and not hurt your engine?

As long as the muffler and catalytic converter are intact


What is an engine cat of an automobile?

the cat is a short term for the catalytic converter. An exhaust system component. It helps to keep pollutants down.


What is DTC PO420 on a 2000 Camaro?

P0420 usually points to a failed catalytic converter, if the exhaust system is intact, that is. Exhaust leaks in front of a catalytic converter can affect the O2 readings and at times throw a false code. P0141 indicates only the heater circuit of the o2 sensor has a problem. Usually it's the element in the sensor, and replacing the sensor would fix that, but it doesn't rule out a harness issue or a short in the wiring


Why is catalytic converter overheating?

A catalytic converter overheats due to an excess of unburned hydrocarbons reaching it through the exhaust stream for an extended period of time. This overworks the catalyst bed inside the converter, which then starts to become plugged, generating even more heat as it does. In short order, the converter will become a significant exhaust obstruction, causing the engine to overheat and lose power. Eventually, this will prevent the engine from running, due to the inability of the exhaust to escape, denying the engine the opportunity to "breathe"...


Why will a lean condition cause a catalytic converter to turn red?

The catalytic converter usually has an Oxygen Sensor before and after the converter. The hot exhaust gases of the exhaust heat up a catalystic and the voltage is proportional to Oxygen. By measuring before and after the catalytic converter, you have a sense if the Catalytic converter is working correctly in cleaning up the exhaust. The exhast to be cleaned up correctly requires the PCM to sometimes run Lean fuel mixture, to clean up NOx, and sometimes Rich mixture to clean up HC (Hydrocarbons). So PCM cycles the fuel mixture between rich and lean many times in the process of driving, so that to get optimal efficiency of the catalytic converter. However, if you have a vacuum leak, your engine will run LEAN and the PCM will compensate and force it to run rich instead. After a while, by running rich too much, you are throwing unburned fuel into the exhaust pipe, causing Catalytic converter to become Red hot and causing it to fail. So in short, running Rich, not lean, can cause converter failure.


Can a a clog catalytic converter drain your gas?

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Can you drive with a cylinder misfire?

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How does a flex pipe on a 1995 Saturn SL1 get replaced?

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What could be causing a burning chemical smell from under a 1998 Subaru Outback?

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Can a bad EGR valve cause a catalytic converter to fail?

Short answer: YES! Longer answer: The EGR valve is designed to recirculate some exhaust gas into the intake, in order to cool combustion temperatures somewhat. If the combustion temps exceed 1100 degrees (actually common in gasoline engines) then oxides of nitrogen are produced. these gases are what we see as visible smog. If the EGR valve fails, it can lead to very high exhaust temps which can gradually melt the insides of the catalytic converter. If a failed EGR is combined with a lean fuel mixture, or over-advanced ignition timing, the melting of the converter happens very quickly.


How long does a catalytic converter last on a 2005 Chrysler town and country?

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Why does car lose power after driving for a short period of time.then restarted it runs a little further than loses power agin.?

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Why would the catalytic converter have to be replaced 8 times in a 1997 Chevy Monte Carlo first at 37000 miles purchased new Service department replaced all possibilities and say they do not know why?

Generally, unburned fuel getting into the converter is what damages them. How is it running?, what size engine? What did the dealer say is "wrong" with the converters they are replacing? -->You can easily damage your catalytic converter by making a lot of very short trips and not allowing you car to properly reach operating temperature.


If I eliminate the cataliytic converter on a 1994 2.2 cavalier will it increase my torque and horsepower?

You will not obtain any further horsepower or torque in this application by removing the catalytic converter. Many individuals read on "import tuner" magazines or websites that "gutting" this allows more power by making the exhaust stream "free-flowing." The truth is, none of these "tuners" know anything about the engineering behind the catalytic converter. The catalytic converter has materials inside of it that are catalysts, which start and speed up the chemical reaction in the converter without being damaged themselves. These materials are cerium, platinum and palladium. In short, they strip NOx into harmless O2 and N, which reduces pollution into the atmosphere. While stripping NOx down with the intense heat in the catalytic converter, this also burns remaining HCs in the exhaust stream, further reducing emissions. All in all, the removal of the catalytic converter will not produce any extra power for two reasons: 1) The exhaust stream will not be any more free flowing; the catalytic converter is not restrictive, it simply acts as a "catalyst" to reduce emissions, and the engineers of the vehicle have designed it that way. 2) Removal of the catalytic converter can disrupt the air/fuel mixture actually inducted into you engine, and here is how: Let's say you remove your catalytic converter for "more power." The PCM of your vehicle determines how much fuel to deliver with your air stream to your combustion chambers based on input from various sensors, such as the MAP, MAF, and HO2s. Now, with your catalytic converter equipped, the chemical reactions are occurring and the heated O2 sensor(s) will detect X amount of oxygen in the exhaust stream, and the computer will say, "okay, you're running like this, inject fuel for X amount of milliseconds this time." If you have upstream and downstream heated oxygen sensors, or even just upstream, let's say you remove your catalytic converter, and the HCs don't get burned up in the cat since it is not there. Now you have lots of fuel molecules going down the tailpipe. The oxygen sensor(s) then see minimal O2 since there is excessive fuel vapors. The PCM says, "WHOA, WAY too much fuel in the exhaust stream, the engine MUST be getting too much fuel (when in actually it is the absence of the cat making it LOOK like there was too much fuel), so let me lean it out, and turn injector on-time WAY down." All of the sudden your vehicle has NO power, all because the removal of the cat tricked the computer to put much less fuel into the engine, so you are running a very lean air/fuel mixture, and you have your pedal through the floor, and are hardly going anywhere. All in all, if you are going to perform a "tune" or modification to your engine, it is wise to understand how all of the systems and components interact with each other. Lots of idiots think they know everything because they read "Tuner Monthly" and then they wonder why their vehicle doesn't run right. While a lengthy explanation, I hope this answers your question.


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