Hola buen día, tengo una HHR 2007, EL OBD marca error POP303 y P1174, y me esta apagando power stering en ocasiones por las tardes, nunca en la mañana

Fabricante del vehículo:Chevrolet
ID calibración del vehículo:126

Test report:
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MID:$01 TID:$01
Rich to Lean sensor threshold voltaje(constant) - O2 Bank 1 Sensor 1
Max: 0,45628V Min: 0,45628V
Test result value: 0,45628V
Pass
----
MID:$01 TID:$02
Lean to Rich sensor threshold voltaje(constant) - O2 Bank 1 Sensor 1
Max: 0,45628V Min: 0,45628V
Test result value: 0,45628V
Pass
----
MID:$01 TID:$03
Low sensor Voltaje for switch time calculation - O2 Bank 1 Sensor 1
Max: 0,45018V Min: 0,45018V
Test result value: 0,45018V
Pass
----
MID:$01 TID:$04
High sensor Voltaje for switch time calculation - O2 Bank 1 Sensor 1
Max: 0,65026V Min: 0,65026V
Test result value: 0,65026V
Pass
----
MID:$01 TID:$05
Rich to Lean sensor switch time(calculated) - O2 Bank 1 Sensor 1
Max: 70ms Min: 0ms
Test result value: 7ms
Pass
----
MID:$01 TID:$06
Lean to Rich sensor switch time(calculated) - O2 Bank 1 Sensor 1
Max: 49ms Min: 0ms
Test result value: 9ms
Pass
----
MID:$01 TID:$80
- O2 Bank 1 Sensor 1
Max: 65.535Changes Min: 43Changes
Test result value: 793Changes
Pass
----
MID:$01 TID:$81
- O2 Bank 1 Sensor 1
Max: 65.535Changes Min: 43Changes
Test result value: 800Changes
Pass
----
MID:$02 TID:$8a
- O2 Bank 1 Sensor 2
Max: 480Count Min: 0Count
Test result value: 0Count
Pass
----
MID:$02 TID:$8b
- O2 Bank 1 Sensor 2
Max: 1,07494V Min: 0,72309V
Test result value: 0,82106V
Pass
----
MID:$02 TID:$8c
- O2 Bank 1 Sensor 2
Max: 0,24424V Min: 0V
Test result value: 0,04612V
Pass
----
MID:$21 TID:$4d
- Catalyst Monitor Bank 1
Max: 0mHz Min: 4.177mHz
Test result value: 19.744mHz
Fail
----
MID:$21 TID:$a0
- Catalyst Monitor Bank 1
Test incomplete or dependant test failed
--
MID:$30 TID:$f4
-
Max: 62,85594% Min: 6,32374%
Test result value: 95,39331%
Fail
----
MID:$3a TID:$c0
- EVAP Monitor (cap off)
Test incomplete or dependant test failed
--
MID:$3a TID:$c1
- EVAP Monitor (cap off)
Test incomplete or dependant test failed
--
MID:$3c TID:$c8
- EVAP Monitor (0.040")
Test incomplete or dependant test failed
--
MID:$3c TID:$c9
- EVAP Monitor (0.040")
Test incomplete or dependant test failed
--
MID:$3c TID:$ca
- EVAP Monitor (0.040")
Test incomplete or dependant test failed
--
MID:$3c TID:$cb
- EVAP Monitor (0.040")
Test incomplete or dependant test failed
--
MID:$3d TID:$c4
- EVAP Monitor (0.020")
Test incomplete or dependant test failed
--
MID:$3d TID:$c5
- EVAP Monitor (0.020")
Test incomplete or dependant test failed
--
MID:$3d TID:$c6
- EVAP Monitor (0.020")
Test incomplete or dependant test failed
--
MID:$3d TID:$c7
- EVAP Monitor (0.020")
Test incomplete or dependant test failed
--
MID:$41 TID:$d2
- O2 Heater Monitor Bank 1 - Sensor 1
Max: 8Count Min: 0Count
Test result value: 0Count
Pass
----
MID:$41 TID:$d3
- O2 Heater Monitor Bank 1 - Sensor 1
Test incomplete or dependant test failed
--
MID:$42 TID:$d2
- O2 Heater Monitor Bank 1 - Sensor 2
Max: 8Count Min: 0Count
Test result value: 0Count
Pass
----
MID:$42 TID:$d3
- O2 Heater Monitor Bank 1 - Sensor 2
Test incomplete or dependant test failed
--
MID:$70 TID:$fb
-
Max: 41.190 Min: 4.144
Test result value: 64.368
Fail