Help advice needed [emoji856]

[daryl.lambrou]

Hi guys hope someone with some knowledge or someone who’s been here before can help me out

Ok a week ago I put my car in for a service everything changed except the fuel filter that was done last years service 7k miles ago i also got new front o2 sensors and coil packs last year this year I got millers oil bmc air filter ngk racing plugs new brakes got fitted and fluid changed my cats were in a bad way they had piggies done to them they welded the old rear sensors into the rear of them so I got used cats from a crashed Rs4 it had done 40k with piggies also done to them they got fitted and got 2 new o2 sensors for the rear also fitted he found a hole in one of the cats before the rear sensor meant to be getting fixed on Monday but since this has had all this done it threw 2 codes a couple days later

p2195 bank 1 s1 stuck lean
p2198 bank 2 s1 stuck rich

I cleared them went a run never came back on so next day I take it out go get fuel was heading to a friend engine started to act rlly ruff bogged down hesitation on pull away started to pop and bang pulled over it was misfiring in 5 and 8 and wasn’t happy at all called the aa out popped the hood turns out there was a pipe that goes into the air box located just under the air intake just behind the headlight vacuume line I think it was off so popped that back on and waited on the aa guy got there scanned it and ran it and was still idling funny he disconnected the Maf and she started to run better so though ok kl need a new maf ordered one and on my way to work tonight it started to bog down again but no backfiring or popping or misfires just hesitant and low revs and idling not great got to work scanned it got codes

P2198 bank 2 s1 rich
P2196 bank 1 s1 rich

Anyone know what I should be looking for or doing I use it as a daily and need it I’m sorry for the long write up just wanted to give as much info as I can


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