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Which clyinder is#1 and which Cat convert is bank #1 ?

(2006 Honda Ridgeline)
in Prairieville, LA on September 12, 2018
keep getting check eng light, code is p0304 diminished efficiency bank 1 cat convert. had shop change o2 and cat convert , they changed the one at the radiator . light still comes on after 70 miles. today started truck to drive home , vas light, atm4 light on , engine tach wouldn't go above 1000, shifted hard, decnnected battery shorted , connected battery no lights drove on.
What seems to make the problem better or worse? nothing, reset computer only good for 70 miles
How long have you had this problem? month plus
Tags: honda, ridgeline
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Popular Answer
on September 12, 2018
At this point, you need to bring it back to the shop that diagnosed and "repaired" it the first time. We could throw out some guesses but a hands-on inspection is required to get you squared away. If you want a second opinion then use this link to find a shop near you.
https://repairpal.com/repair-shops
Alex
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