Help please! My petrol CR-V ( 52 plate ) has the check engine light on ! Obd 11 check gives P0141 O2 sensor bank 1 sensor 2 What does this mean ? Where do I find the sensor on the motor ? what one do I need to buy and is it an easier enough diy job ? Also code P1298 What does that mean ? Are they related ? Simple terms please as I'm DEF not mechanically minded just a diyer Cheers in advance gang.