what does this mean?

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08-11-2006, 06:04 PM

timetoblaze

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what does this mean?

TWC System Low efficiency B1 (P0420)...pulled that today

08-11-2006, 06:20 PM

Dory

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RE: what does this mean?

that is a converter low efficency code, needs a cat and maybe an o2 as well

thats from my friend at Chevy

08-11-2006, 07:27 PM

timetoblaze

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RE: what does this mean?

kinda sux.... thanks for the help

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