P0420 diagnosis with tactrix cable

Posts specific to the 3.0 litre NA H6 engine

Re: P0420 diagnosis with tactrix cable

Postby Mariano » Tue Jan 09, 2018 2:36 am

Use 02 spacer only on rear sensors. Its been working fine now, no cel anymore.
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Re: P0420 diagnosis with tactrix cable

Postby jp928 » Fri Jan 19, 2018 4:57 pm

When you say "checked all plugs' do you mean spark plugs, or connector plugs for o2 sensors?
jp
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