2000 gsr fault code 420

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02-06-2015, 11:36 PM

coffeyface2000

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2000 gsr fault code 420

Is there anyway to get rid of the code for good without having to replace the cat??

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02-07-2015, 03:38 AM

HondaPartsHero

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Re: 2000 gsr fault code 420

Search for "spark plug defouler". There are also 02 simulators as well.

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02-07-2015, 09:11 AM

coffeyface2000

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Re: 2000 gsr fault code 420

Quote:

Originally Posted by HondaPartsHero

Search for "spark plug defouler". There are also 02 simulators as well.

What route would you recommend?? I just need it to work for a few months until I get full exaust ran.

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02-07-2015, 01:26 PM

HondaPartsHero

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Re: 2000 gsr fault code 420

Try the defouler trick, it's like 8 bucks and I've had god luck with it.

How to install the spark plug anti-foulers to remove the ses or cel light - evolutionm.net

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02-07-2015, 03:18 PM

coffeyface2000

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Re: 2000 gsr fault code 420

cool, will do man. thanks.

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