How to Troubleshoot Catalytic Converters

How to Troubleshoot Catalytic Converters By Deanna Sclar from Auto Repair For Dummies,2nd Edition The catalytic converter is a very important part of the emissions control system on your vehicle. It's usually good for the life of a vehicle,but occasionally it does fail. The best thing you can do is be alert for signs of trouble and head for a service facility if you suspect that the catalytic converter is malfunctioning Autel Autolink AL619. Technicians will put your vehicle on an electronic diagnostic machine to locate the source of the problem,possibly remove the oxygen sensor from the exhaust manifold or exhaust pipe ahead of the catalytic converter to see if that changes things,and replace the catalytic converter,if necessary.If the unit allows too much pollution to escape from the tailpipe,it illuminates the MIL and produces a trouble code that can be read by a technician with what's called a"scan tool." The catalytic converter is sensitive to changes in the contents and temperature of the exhaust gases,so another possible cause for failure is if the cylinder head gasket is damaged,allowing oil or coolant to get into the combustion chamber and be burned in the cylinders. Also,if your ignition system isn't operating properly,unburned fuel in the exhaust gases can cause the catalytic converter to wear out or break down. This is another good reason for going for tune-ups at specified intervals! Because the catalytic converter can become extremely hot,it's important not to park your vehicle over a bed of dry grass or dry leaves maixidas ds708,which could catch fire and destroy not only your vehicle but also the surrounding area!
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