Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

code P0422 on my obd2 hatch, cat efficiency below threshold?

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Old Sep 30, 2004 | 04:11 PM
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E36 Guy's Avatar
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From: Earf
Default code P0422 on my obd2 hatch, cat efficiency below threshold?

does this mean the cat's O2 sensor is bad? or the cat itself is bad? thank you!
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Old Sep 30, 2004 | 05:26 PM
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Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (b18c3)

Is your car a '97 model with the stock manifold/cat? Does it look like this?

http://www.hondaautomotivepart...OW%29

I think that all '96-97 model years non-vtec models have this manifold and its covered under the extended emissions warrranty (10yr-150K). These manifolds also have a tendancy to crack where the 2-3 primaries meet up.

It's the catalytic converter not the o2 sensor.
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Old Oct 1, 2004 | 10:58 AM
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From: Earf
Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (5w20)

yes its a 97, completely stock, and thats what it looks like. should i go to Honda and have them fix it (assuming its under warranty)?
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Old Oct 2, 2004 | 10:07 AM
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From: Earf
Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (b18c3)

bump
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Old Oct 2, 2004 | 03:06 PM
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From: Earf
Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (b18c3)

anyone?
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Old Oct 2, 2004 | 03:08 PM
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Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (b18c3)

means u need a new kitty
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Old Oct 2, 2004 | 03:09 PM
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Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (spoolin22)

all cats are at least 8yr/80k, some can be more though
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Old Oct 3, 2004 | 03:29 PM
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Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (b18c3)

Yes its under warranty.

96-97 10yr/150K

98-00 8yr/80K

It will be fixed for free.
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Old Oct 3, 2004 | 05:13 PM
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From: Earf
Default Re: code P0422 on my obd2 hatch, cat efficiency below threshold? (5w20)

yay! thank you!
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