96' Honda Accord P0420 -- Leaking exhaust manifold?
#21
Well, I tested the downstream 02 sensor and it's well within range.
Looks like it's the cat getting clogged up. Can anyone recommend a good bolt-on aftermarket catalytic converter? I don't need anything that will last 15 years like a OEM Honda cat, but at least something that will last 4 or 5.
Looks like it's the cat getting clogged up. Can anyone recommend a good bolt-on aftermarket catalytic converter? I don't need anything that will last 15 years like a OEM Honda cat, but at least something that will last 4 or 5.
#22
Turns out there's a missing bolt on my exhaust manifold, which is throwing off my air/fuel mixture. The gasket is marked with black soot in two spots.
What's a fair price for a mechanic to drill it out and replace the stud?? Should I replace the one stud or go ahead and replace all of them?
What's a fair price for a mechanic to drill it out and replace the stud?? Should I replace the one stud or go ahead and replace all of them?
#23
Most of the cost would be labor, IMO. I would assume one hour? You would have to call and get quotes to find out.
I am of the opinion if it ain't broke, don't fix it. You may want to put a bit of anti-seize on the threads to prevent the nut from rusting on the threads.
I am of the opinion if it ain't broke, don't fix it. You may want to put a bit of anti-seize on the threads to prevent the nut from rusting on the threads.
#24
The stud is broken off inside the head and none of it is protruding from the manifold. My dad cut if off and taped a new hole.
#25
IIRC, there is a two-way threaded stud that goes into the cylinder head. The manifold goes over the studs, then a nut is what holds the exhaust manifold to the cylinder head. This is based on my 95 EX that I sold more than a year ago.
I'm not sure if your accord is an LX, DX, or EX. The LX/DX may be different.
I'm not sure if your accord is an LX, DX, or EX. The LX/DX may be different.
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