Random Misfiring code, CEL blinking, P0300 code, engine jerky
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Random Misfiring code, CEL blinking, P0300 code, engine jerky
New member here and seems I am in a heap of trouble with my 2009 Audi A4 B8
The CEL came on a few days ago and the fault code pointed to Cylinder 1 and 3 misfiring. I changed the coil packs and spark plugs and the CEL went away for a few days. Now today while pulling away from a stop sign, the engine started to hesitate and CEL started to blink. I know there could be variety of things that can go wrong, vacuum leak, O2 sensors, CC, distributor etc etc. Can Here anyone look at the scan from my VAG and point me to the right direction.
I want to try Cataclean for the catalytic converter. has anyone use that with success? Any advice is greatly appreciated.
3 Faults Found:
10434 - Catalyst System; Bank 1
P0420 00 [232] - Efficiency Below Threshold
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 210015 km
Date: 2019.09.03
Time: 15:49:30
Engine speed: 1745.50 /min
Normed load value: 23.9 %
Vehicle speed: 86 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 46 ∞C
Ambient air pressure: 990 mbar
Voltage terminal 30: 13.758 V
Unlearning counter according OBD: 40
4054 - Cylinder 1
P0301 00 [100] - Misfire Detected
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 210302 km
Date: 2019.09.12
Time: 16:21:50
Engine speed: 2609.50 /min
Normed load value: 81.2 %
Vehicle speed: 49 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 54 ∞C
Ambient air pressure: 1000 mbar
Voltage terminal 30: 13.829 V
Unlearning counter according OBD: 79
4051 - Random/Multiple Cylinder Misfire Detected
P0300 00 [100] - -
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 210302 km
Date: 2019.09.12
Time: 16:21:50
Engine speed: 2609.50 /min
Normed load value: 81.2 %
Vehicle speed: 49 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 54 ∞C
Ambient air pressure: 1000 mbar
Voltage terminal 30: 13.829 V
Unlearning counter according OBD: 79
The CEL came on a few days ago and the fault code pointed to Cylinder 1 and 3 misfiring. I changed the coil packs and spark plugs and the CEL went away for a few days. Now today while pulling away from a stop sign, the engine started to hesitate and CEL started to blink. I know there could be variety of things that can go wrong, vacuum leak, O2 sensors, CC, distributor etc etc. Can Here anyone look at the scan from my VAG and point me to the right direction.
I want to try Cataclean for the catalytic converter. has anyone use that with success? Any advice is greatly appreciated.
3 Faults Found:
10434 - Catalyst System; Bank 1
P0420 00 [232] - Efficiency Below Threshold
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 210015 km
Date: 2019.09.03
Time: 15:49:30
Engine speed: 1745.50 /min
Normed load value: 23.9 %
Vehicle speed: 86 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 46 ∞C
Ambient air pressure: 990 mbar
Voltage terminal 30: 13.758 V
Unlearning counter according OBD: 40
4054 - Cylinder 1
P0301 00 [100] - Misfire Detected
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 210302 km
Date: 2019.09.12
Time: 16:21:50
Engine speed: 2609.50 /min
Normed load value: 81.2 %
Vehicle speed: 49 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 54 ∞C
Ambient air pressure: 1000 mbar
Voltage terminal 30: 13.829 V
Unlearning counter according OBD: 79
4051 - Random/Multiple Cylinder Misfire Detected
P0300 00 [100] - -
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 210302 km
Date: 2019.09.12
Time: 16:21:50
Engine speed: 2609.50 /min
Normed load value: 81.2 %
Vehicle speed: 49 km/h
Coolant temperature: 98 ∞C
Intake air temperature: 54 ∞C
Ambient air pressure: 1000 mbar
Voltage terminal 30: 13.829 V
Unlearning counter according OBD: 79
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