Question about 1999 Chevrolet Silverado 1500

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I just bought the truck and the guy told me it needed a catalytic converter. Is it an expensive fix & can I do it myself?

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Its not that expensive to do anymore, however it all depends if the exhaust system had been modified, if it has you will have to go to an exhaust shop

Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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Where is the 02 Oxygen Sensor before the cadalic converter on a 2006 Hyundai Santa Fe


Usually these are located on the exhaust manifold or just below the exhaust manifold and you should be able to see it in the engine bay. On V6 engines there will be one sensor on each of the 2 exhaust banks.
You will probably need to remove the engine cover to see the sensors on your exhaust.

If someone told you to replace these because you got a particular fault code I would be wary. A decent scan tool and basic diagnostics can show if the 02 sensor is working or not. Some faults often blamed on an 02 sensor are not due to faulty sensors.

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There is are upstream and downstream O2 sensors. 1 or 2 (upstream) before the catalytic converter which sends signals for closed loop fuel control and OBD II monitoring, and 1 (downstream) after the catalytic converter, which is used to monitor the catalytic converter operation. The PCM monitors the signal from each O2 sensor.

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I have been told that my catalytic converters are


you can do it yourself it will only cost the price of the catalytic converters, first i would disconnect them and visually inspect them if you see that they look like a honey comb with no obstruction of the holes than they are fine but if you see black residue or even some melting of the material than i would replace them. hope this helps you.

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Orange 'engine' light is on. Am told it needs catalytic converter(& sensor). Will it hurt anything to drive it as it is w/o fixing?


It will hurt your fuel economy,performance and the environment.

When the catalytic converter is completely clogged. The body of the cat. will glow red hot and melt the surround material.

Example: interior carpet.


Don't for the distinctive sulfur smell.


In short, you should replace the catalytic converter as soon as possible.


Please rate my answer if it's help to you.


Cheers,


Mustgo








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Yes.....but it would help to get the socket for it. It looks like a normal socket but has a **** down the side to aid in the wires going to it.

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Starting w the timing belt, It must be removed to replace the water pump, there's shouldn't be any addtl labor involved to install a new one. Since the fuel is leaking & the converter is overheating you are asking for BIG TROUBLE if u don't replace them both. Fuel & converters DONT MIX!

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