I did take the time to remove old heat shields which are in bad shape. I decided to sand the Y pipe and paint with Hi-temp paint. One thing I left out. Evan Fischer also offers comprehensive manifold converter assemblies for newer vehicle models! The following pic is before I painted. Over the past 10 years or so I have had at least two instances of O2 failure indications. Thanks for the heads-up on this issue, CuriousB. There are a couple of bolts holding the panel on to the frame of the door, as well as several rivet like mechanisms that pop into plastic holes in the frame of the door.
What is odd to me is that a The leak is after the secondary O2 sensor so hard to see why it matters b The exhaust is under positive pressure, the notion of air leaking into the pipe seems impossible if the pipe is positive preesure. I never heard of this but curious about it. There are no sensors to measure pressure only temperature difference. I was thinking of drilling holds in shield to allow water do drain, buy stainless steel clamps and screws and paint any rusted areas as we all know rust makes rust. Bare uninsulated pipe will cause cooling and delay the secondary converter from kicking in. Well I am still struggling. Bosal pioneered the manufacture of one-piece, direct-fit replacement exhaust systems more than twenty-five years ago.
Thats a plus as I did not have to fuss much with it. Also recommend replacing 4 bolts and gaskets after cleaning up the flanges. Whether you're working on a classic car, race car or just your daily driver, a MagnaFlow universal converter should be the standard building block for your custom exhaust. Can I get just the heat shield or any other ideas what i can do but just buying the whole piece with the back cat converter? After replaced them, does your Engine light still on? I was getting po 420 and 430 codes. The inside of the cats turned to ash and clogged everything up which inturn made my sensons burnup too.
From what I could tell after removing the heat shields, the clamps heat shields and insulation caused the pipe to fail. Worked well enough to hold shield. The glass insulation under the shield is just a moist sponge to hold that corrosive salty water until it boils off, but leaves the salt behind. That is the only reason for it. Try not to read to much into the problem as you do have a leak that needs to be addressed which will cause your car to fail inspection depending on which state you live in.
There was a leak on the passenger side behide the O2 sensor just inside the heat shield. . Lucky that the Cat is still warranty and dealer wanted to take a look at it before exchanged for a new one. I've replaced pre cat O2 sensor. They actually look ok I think at the moment. They measure the amount of O2 in the exhaust stream.
I been pondering over some recent fault codes of p0420 and p0430 codes found on my 2001 ls430. So keep your Lexus catalytic converter work normal is to let you have better experience. Probably with a couple minutes of running engine. This would lead one to believe that the catalytic converter needs to be replaced which can be a major expense since your ls430 has three catalytic converters. The car was rejected for emmissions and they said that there might be a clogged catalytic converter.
Some of our top Catalytic Converter product brands are , and. As I mentioned before, the car has only seen one winter even though it is a 2002. It closely mirrored the bank 1 secondary sensor. I watched the bank 2 primary and secondary O2 sensors on a graph output. I am going to look for some hi-temp exhaust wrap to keep the shield material from direct contact with the exhaust pipe.
This product is in compliance with California regulations. As for your questions, my dealer replaced both cats and 02 sensors with factory parts. I fallen into the guilty trap of swapping parts. Now it was back like it was before all this trouble. But I had my car running real rich, and that's why they burnt up like that. Forgive me for I have sinned. One screw under a square cover near where you grab the door to close it.
Any suggestions would be greatly appreciated. At this point, would it be better to replace the clamp or just hit the exhaust clamp area with manifold paint? Maybe some type of hi temp fiber material and won't absorb moisture. I didn't reinstall them after I welded up my leaks. It's just a plain in the butt to keep on having to bring my car to Lexus every few weeks. I have been struggling with this one myself. There are no sensors to measure pressure only temperature difference.
Since the most of the parts are the same I'm almost temped to buy the 2003 Y Pipe like you and see if it will fit anyway. I agree there is no pressure sensor but O2 sensors aren't temperature sensors either. Double 'clutched' on the reply. I've heard theories like back pressure and pulses sucking in air but I just picture the pipe always being above atmosphere pressure in my mind. Where do they sale it at? But the heat shield was taking off. I recently tuned-up the car. So save yourself a lot of money and order the aftermarket part and rest in peace knowing that you did not get riped off by your dealer.