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telco_mtl

join:2012-01-06
reply to mattmag

Re: catalytic converter? P0240

said by mattmag:

said by Anonymous_:

If it was the catalytic converter I would be getting more codes besides the P0420

What makes you think that? Your assumption in this case is wrong. P0420 is very often a stand-alone code, and requires no other associated failures to enable it.

exactly, like i just posted, faulty cats threw that code on my both grand prix. same car as the impala, and those were the only codes i had