Freeze Frame Data any thoughts?

[adamshore]

OBD-II Diagnostic Report

Diagnostic Trouble Codes (Mode 03, 07, 0A)
Description
Freeze Frame Data (Mode 02)
Description Value Units
P2270 – O2 Sensor Signal Biased/Stuck Lean
03 – Fuel System Status
Fuel System 1 closed loop –
Fuel System 2 Not Reported –
04 – Calculated Load Value 16 %
05 – Engine Coolant Temperature 85 °C
06 – Short Term Fuel Trim – Bank 1 25.0 %
07 – Long Term Fuel Trim – Bank 1 8.6 %
0B – Intake Manifold Absolute Pressure 22 kPa
0C – Engine RPM 2005 rpm
0D – Vehicle Speed 92 km/h
0E – Ignition Timing Advance for #1 Cylinder 32 °
0F – Intake Air Temperature 18 °C
10 – Air Flow Rate 4.91 g/s
11 – Absolute Throttle Position 23.5 %
1F – Time Since Engine Start 00:05:28 –
2E – Commanded Evaporative Purge 21.2 %
2F – Fuel Level Input 65.5 %
30 – Number of warm-ups since diagnostic trouble codes cleared 255 –
31 – Distance since diagnostic trouble codes cleared 12127 km
32 – Evap System Vapor Pressure -73.75 Pa
33 – Barometric Pressure 99 kPa
3C – Catalyst Temperature Bank 1, Sensor 1 736.0 °C
42 – Control module voltage 14.552 V
43 – Absolute Load Value 11.0 %
44 – Commanded Equivalence Ratio 0.999 –
45 – Relative Throttle Position 10.6 %
46 – Ambient air temperature 14 °C
47 – Absolute Throttle Position B 23.9 %
49 – Accelerator Pedal Position D 21.2 %
4A – Accelerator Pedal Position E 11.0 %
4C – Commanded Throttle Actuator Control 15.3 %
Location of Oxygen Sensors
Location of Oxygen Sensors State
Bank 1 – Sensor 1 Present
Bank 1 – Sensor 2 Present
Bank 1 – Sensor 3 Not Present
Bank 1 – Sensor 4 Not Present
Bank 2 – Sensor 1 Not Present
Bank 2 – Sensor 2 Not Present
Bank 2 – Sensor 3 Not Present
Bank 2 – Sensor 4 Not Present
Oxygen Sensor Test Results (Mode 05)
Description Value Min Max Units Result
Monitored Test Results (Mode 06)
Description Value Min Max Units Result
Live Data (Mode 01)
Description Value Units Min Average Max
03 – Fuel System Status
Fuel System 1 closed loop fault – 16.00 16.00 16.00
Fuel System 2 Not Reported – 0.00 0.00 0.00
04 – Calculated Load Value 16 % 16.08 17.58 20.39
05 – Engine Coolant Temperature 84 °C 84.00 84.00 84.00
06 – Short Term Fuel Trim – Bank 1 -2.3 % -6.25 -1.30 2.34
07 – Long Term Fuel Trim – Bank 1 3.9 % 3.91 3.91 3.91
0B – Intake Manifold Absolute Pressure 29 kPa 28.00 28.67 30.00
0C – Engine RPM 709 rpm 708.00 746.79 813.25
0D – Vehicle Speed 0 km/h 0.00 0.00 0.00
0E – Ignition Timing Advance for #1 Cylinder 10 ° 4.00 7.75 10.00
0F – Intake Air Temperature 57 °C 57.00 57.00 57.00
10 – Air Flow Rate 2.53 g/s 2.53 2.72 3.09
11 – Absolute Throttle Position 16.9 % 16.86 17.52 18.43
14 – Bank 1 – Sensor 1
Oxygen Sensor Output Voltage 0.225 V 0.23 0.71 0.88
Short Term Fuel Trim -9.4 % -9.37 -2.81 2.34
15 – Bank 1 – Sensor 2
Oxygen Sensor Output Voltage 0.660 V 0.66 0.69 0.72
Short Term Fuel Trim 99.2 % 99.21 99.21 99.21
1F – Time Since Engine Start 00:00:10 – 0.00 0.00 0.00
21 – Distance Travelled While MIL is Activated 17 km 17.00 17.00 17.00
2E – Commanded Evaporative Purge 6.3 % 6.27 6.27 6.27
2F – Fuel Level Input 67.8 % 67.84 67.84 67.84
30 – Number of warm-ups since diagnostic trouble codes cleared 255 – 255.00 255.00 255.00
31 – Distance since diagnostic trouble codes cleared 12145 km 12145.00 12145.00 12145.00
32 – Evap System Vapor Pressure 37.750 Pa 37.00 38.15 39.00
33 – Barometric Pressure 99 kPa 99.00 99.00 99.00
3C – Catalyst Temperature Bank 1, Sensor 1 223.0 °C 223.00 223.00 223.00
41 – Monitor status this driving cycle
Misfire Monitoring enabled No – 0.00 0.00 0.00
Fuel system monitoring enabled No – 0.00 0.00 0.00
Comprehensive component monitoring enabled No – 0.00 0.00 0.00
Misfire monitoring completed Yes – 0.00 0.00 0.00
Fuel system monitoring completed Yes – 0.00 0.00 0.00
Comprehensive component monitoring complete Yes – 0.00 0.00 0.00
Catalyst monitoring enabled No – 0.00 0.00 0.00
Heated catalyst monitoring enabled No – 0.00 0.00 0.00
Evaporative system monitoring enabled No – 0.00 0.00 0.00
Secondary air system monitoring enabled No – 0.00 0.00 0.00
Oxygen sensor monitoring enabled Yes – 0.00 0.00 0.00
Oxygen sensor heater monitoring enabled No – 0.00 0.00 0.00
EGR and/or VVT system monitoring enabled No – 0.00 0.00 0.00
Catalyst monitoring completed No – 0.00 0.00 0.00
Heated catalyst monitoring completed Yes – 0.00 0.00 0.00
Evaporative system monitoring completed No – 0.00 0.00 0.00
Secondary air system monitoring completed Yes – 0.00 0.00 0.00
Oxygen sensor monitoring completed No – 0.00 0.00 0.00
Oxygen sensor heater monitoring completed No – 0.00 0.00 0.00
EGR and/or VVT system monitoring completed Yes – 0.00 0.00 0.00
NMHC catalyst monitoring enabled – – 0.00 0.00 0.00
NOx aftertreatment monitoring enabled – – 0.00 0.00 0.00
Boost pressure system monitoring enabled – – 0.00 0.00 0.00
Exhaust gas sensor monitoring enabled – – 0.00 0.00 0.00
PM filter monitoring enabled – – 0.00 0.00 0.00
EGR and/or VVT system monitoring enabled – – 0.00 0.00 0.00
NMHC catalyst monitoring completed – – 0.00 0.00 0.00
NOx aftertreatment monitoring completed – – 0.00 0.00 0.00
Boost pressure system monitoring completed – – 0.00 0.00 0.00
Exhaust gas sensor monitoring completed – – 0.00 0.00 0.00
PM filter monitoring completed – – 0.00 0.00 0.00
EGR and/or VVT system monitoring completed – – 0.00 0.00 0.00
42 – Control module voltage 14.911 V 14.91 14.91 14.91
43 – Absolute Load Value 16.5 % 16.47 16.63 17.25
44 – Commanded Equivalence Ratio 0.999 – 1.00 1.00 1.00
45 – Relative Throttle Position 3.9 % 3.92 4.24 4.71
46 – Ambient air temperature 17 °C 17.00 17.00 17.00
47 – Absolute Throttle Position B 17.3 % 17.25 17.41 17.65
49 – Accelerator Pedal Position D 20.0 % 20.00 20.00 20.00
4A – Accelerator Pedal Position E 10.2 % 10.20 10.20 10.20
4C – Commanded Throttle Actuator Control 5.9 % 5.88 6.12 6.67

[adamshore]

2008 Ponataic G5 2.2L

[gkellerman]

This seems weird: 44 – Commanded Equivalence Ratio 0.999 –

Does this vehicle have an O2 sensor or an Air/Fuel sensor?

It would be nice to see a graph of this as it looks like the engine might be in stoic:
14 – Bank 1 – Sensor 1
Oxygen Sensor Output Voltage 0.225 V 0.23 0.71 0.88

P2270 refers to Bank 1, Sensor 2 so I guess it’s complaining about this:
15 – Bank 1 – Sensor 2
Oxygen Sensor Output Voltage 0.660 V 0.66 0.69 0.72

What actions have you taken?

Have you checked for a post cat exhaust leak that might be sucking in outside air/oxygen?

[adamshore]

It has standard AC delco O2 Sensors. Both are new ish 6 months old. (Downstream wires broke off so i replaced as a pair). I have been unable to reproduce the p2270 Code. How ever the downsteam Bank 1 sensor 2 does seem kinda sluggish on the graph to respond. No audible or visual exhaust leaks, Ive just continued to drive it waiting for the symptoms to return. LTFT and STFT are normal. Seems to run great

I will just change the plugs wires O2 sensors and run a can of seafoam through it. ……Just kidding.

Ill send an update when or if the code returns.

[Author]

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