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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > catalytic converter stolen

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elargentino

Vancouver WA

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Posted: 04/22/22 05:54pm Link  |  Quote  |  Print  |  Notify Moderator

Just had the converter stolen while rig was in storage. We had trouble finding a replacement so we just welded in a straight pipe, which works great except the engine check light is on all the time now because the O2 sensors aren't connected. Anyone know how to disable that particular sensor without affecting the other sensory systems on the engine? We don't have emissions checks in WA anymore and I see no reason to replace the converter only to have it stolen again! BTW, the cops do NADA! I hate to pollute but this gig gets expensive (I was quoted close to $2000 to replace the system correctly (if we can find the right part!)

Tom/Barb

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Posted: 04/22/22 09:55pm Link  |  Quote  |  Print  |  Notify Moderator

remove the Blub


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ArchHoagland

Clovis, CA, USA

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Posted: 04/23/22 01:59am Link  |  Quote  |  Print  |  Notify Moderator

What did your insurance company say?


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jorbill2or

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Posted: 04/23/22 04:31am Link  |  Quote  |  Print  |  Notify Moderator

You don’t have auto/rv insurance ? That’s what insurance is for and that would be a covered expense in comprehensive. Why have insurance if you don’t let it cover the large expenses?


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JaxDad

Greater Toronto Area

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Posted: 04/23/22 05:28am Link  |  Quote  |  Print  |  Notify Moderator

elargentino wrote:

Just had the converter stolen while rig was in storage. We had trouble finding a replacement so we just welded in a straight pipe, which works great except the engine check light is on all the time now because the O2 sensors aren't connected.


The issue is not just the light on, without input from the O2 sensors the ECM will go into ‘default’ mode and the air / fuel mixture will be way off (far too rich) what it should be.

Gooma

Iowa

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Posted: 04/23/22 07:44am Link  |  Quote  |  Print  |  Notify Moderator

Your engine was designed to run with the converter in place. How much damage are you doing running without it? Hopefully you are smart enough to have insurance, use it to get the converter replaced.
Or put a piece of tape over the light so you don't see it.

RLS7201

Beautyful Downtown Gladstone, MO

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Posted: 04/23/22 08:13am Link  |  Quote  |  Print  |  Notify Moderator

JaxDad wrote:

elargentino wrote:

Just had the converter stolen while rig was in storage. We had trouble finding a replacement so we just welded in a straight pipe, which works great except the engine check light is on all the time now because the O2 sensors aren't connected.


The issue is not just the light on, without input from the O2 sensors the ECM will go into ‘default’ mode and the air / fuel mixture will be way off (far too rich) what it should be.


If the O2 sensor to the rear of the converter is the one that's not connected, it only reports to the ECM, if the converter is working or not and had no effect on the tune of the engine. If the O2 sensor forward of the converter is not connected, then you post is correct.

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Lwiddis

Owens River area

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Posted: 04/23/22 01:56pm Link  |  Quote  |  Print  |  Notify Moderator

Why the slap at law enforcement? Cuzz your converter was stolen? What do you, Mr. Citizen, want the police to do or do differently?


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bgum

South Louisiana

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Posted: 04/23/22 02:07pm Link  |  Quote  |  Print  |  Notify Moderator

In some jurisdictions the fine is considerably high if cited with tampering or disconnecting a pollution device. Of course if one collects on insurance and doesn't replace the cat it may even out.

RetiredRealtorRick

St. Augustine Beach, FL

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Posted: 04/23/22 02:22pm Link  |  Quote  |  Print  |  Notify Moderator

https://www.epa.gov › documents › exhsysrepair

Mb8 131991 - US Environmental Protection Agency

Under federal law, catalytic converters may not be removed and replaced with "converter replacement pipes' by any person. The 1990 Clean Air Act Amendments even prohibit private individuals from installing "converter replacement pipes" on their own vehicles.


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