There is a metal line running above the catalytic converter and a short piece of hose connecting the line. What is that line for? it looks like a transmission cooler line. Can anyone tell me what the line is for.
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Most reputable muffler shops will have a flow meter that they can test the back pressure at the cat. This will tell you if it is clogged up or not. I would say that with you needing an O2 sensor that maybe the engine was running rich and clogged up the cat.
Yes a stopped up catalytic converter can make it run hotter . Something else to look at is air in top of motor, Some cars have a bleeder valve to let air out . If not loosen the highest holes clamp to let air seep out , if coolant comes out look at other things such as timing ,stopped up radiator, to much fuel.
When replacing your converters you can eleminate the second converter, shops in different states have different rules that may prevent them from losing the 2nd converter but you as an end user can but an aftermarket converter that will fit your car and install it yourself. This will require a sawzall or a good hacksaw to remove the old units so as to leave enough pipe coming down from the exhaust manifolds for the new converter to clamp on. Once the new converters are installed any muffler shop can hook up the rest of your system.
The plug is on the bottom of the cat which is located after the manifold on a stock chevy...open it and blow the metal out of the cat and then put the plug back on. Looks like you have a catalytic converter but now you will not! Thats ok because your vehical will run better because it can breath and it will increase your mpg. ....gearhead 91 k1500
Cut the line and use a piece of metal or plastic tubing to re-connect the halves if it's a rubber line. If it's a plastic line, again, cut it and put a short piece of rubber hose over both ends to re-connect them.
Bank 1 is the same side of the engine as the number one cylinder. Bank 2 is the other side of the engine. Sensor one is always before the catalytic converter. Sensor 2 is always after the catalytic converter.
P0455 is an EVAP leak check the evap hoses for cracks/leaks.
P0700 is a generic code that lets you know you need to scan the transmission control module to see what codes are stored in it.
Check coolant levels. Look for leaks around hoses and engine block. make sure hose have pressure when vehicle reaches running temp.Replace thermostat . If none of the above is the problem you may have a clogged catalytic converter.
Actually it does make sense. All you need to bypass the heater core is a section of pipe that can be used to connect the Heater core Supply and return lines together. All they actually do is make a loop using the heater core as the turnaround. This is normally 5/8 hose and any metal pipe section can be used as long as the hose fits on it and you can put a water clamp on it to hold it in place. In fact, if you have a control valve on your heater core line going into a piece of hose connected to the Firewall you can disconnect that and use it to connect the two lines together in a pinch. radiator flush kits come with a piece that attaches to these lines for flushing the system. Your supposed to cut the line and put this part in between the two pieces but you can just as easily disconnect the lines from the firewall and attach them with this piece. A Yard water hose slicing kit, metal, would work just as well as long as you have to correct size. Good Luck.
it would be very hard. you may need a professional to do that.
it is in line with your exhaust system. it is a piece of metal just like a muffler but a little bit smaller and it is located between the engine and the muffler. you will need to cut that piece and weld back a new one on your exhaust pipes which would require you to use acetyline torches.