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P1133 is B1S1 oxygen sensor not switching properly. Likely due to failed sensor. Could be due to lack of fuel (filter, pump,) or bad MAF sensor, even leaking intake manifold
P0134 O2 sensor drivers side before catalytic converters.
PO141 O2sensor drivers side after converter
P1133 insufficient switching of O2 sensors. Will probably
go away once sensors are replaced.
P1133 - O2S insufficient switching bank 1 sensor 1
go to autozone and have them read your vehicles computer ,,,or take your battery cables off for 10 minutes then put them on and see if it resets itself ...most likely a code misread on your vehicle
P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1 I would have the repair shop see if they either damaged or left disconnected the oxygen sensor for engine cylinder bank one upstream sensor, this sensor would have been disconnected if the oil pan was removed.
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