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If the engine was designed to run with a cat fitted, the answer is yes, but the emissions would be out of acceptable limits. Most diesels are not cat equipped, but by the nature of being a diesel, they are injection engines.

Know that is is illegal to remove a catalytic converter without replacing it with another one.

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Q: Can a fuel injection engine run without a catalytic converter?
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Related questions

Can fuel effecient cars legally not use a catalytic converter?

Absolutely not. The fumes released from any engine can be deadly without a catalytic converter and severely harm the environment no matter how efficient the engine is and no car can legally not use a catalytic converter.


What problems will occur to a car without a catalytic converter?

Check engine light, low power, poor fuel economy, highly illegal to run without the catalytic converter.Check engine light, low power, poor fuel economy, highly illegal to run without the catalytic converter.


What does driving without a catalytic converter do to your engine?

Creates excess hydrocarbon emissions.


Can you run BMW 528i 2000 without catalytic converter?

No, it is illegal to remove a converter and besides the engine will not run correctly with the converter removed.


What if your car doesn't have a catalytic converter how can you pass an emissions test?

You can't, period. It is illegal to remove a catalytic converter without installing another one. Besides no modern engine will run correctly with the catalytic converter removed. Suck it up, buy a converter and have it installed.


Where is the catalytic converter bank 1 on a 2006 Chrysler Town and Country?

The catalytic converter is behind the engine.


Why does my engine run rough when cold but not when warm?

The catalytic converter needs to warm up to a running temperature and various operation in the engine devote energy or fuel to this process. Once the catalytic converter has reached this "running temperature" it can easily maintain this temperature with the heated exhaust from the engine. One of the "warming up" components is malfunctioning, most likely the pre- or post injection of the fuel into the engine which is one of several methods of "warming up" your catalytic converter.


What will happen if you pull off catalytic converter?

First thing is that it is illegal to remove the converter from any vehicle. Secondly the engine will not run properly without the converter in place.


What is the lifespan of a catalytic converter?

That depends on the engine and the fuel you've used. If the engine starts burning oil a catalytic converter can fail rapidly. Some fuel additives can also cause a catalytic converter to fail prematurely.


Catalyst of a 2002 ram 1500?

The catalytic converter is in the exhaust pipe directly behind the engine.The catalytic converter is in the exhaust pipe directly behind the engine.


Does a catalytic converter damage the engine?

Yes it can


Where is the catalytic converter on a 2001 Chevy S10?

The catalytic converter is found in the exhaust system between the engine and the muffler.