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Old 09-29-2021, 11:09 PM   #43 (permalink)
Xist
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Location: Show Low, AZ
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Chorizo - '00 Honda Civic HX, baby! :D
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My CEL is back yet again!

I think that I went 2,400 miles, while the code came back every 500 miles with the old cat with the same manufacturer and part number. It stayed away for 5,000 miles after I acid-washed it. I don't know how many washes the bleach can provide, but it cost $26 originally, but California98Civic hooked me up for free.

Thanks again!

When the code returned in April I used CRC's Turbo and Intake Valve cleaner, which is $12 at Wal-Mart.

The can is a little less than half as much as the acid and easier to use, but lasted a little over half as long. Mathematically this is better, but I am going to acid-wash and see if it goes another 5,000 miles.

The one problem with the acid wash was that it removed the coating from the outside and it rusted.

I think that I have lost about a quart of oil in 2,000 miles. I will top up when I get home.

What caused this?


By the way, Evan Fischer cats are back in-stock and I could make this go away for 30 months for $136, although if the oxygen sensors are dirty I can acid-wash them, too!
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