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Discussion Starter · #1 ·
Hi guys,
on my 2011 1.6gdi Petrol I've had a wee yellow check engine light come on.
When it did I checked it using a odb2 reader combined with TorquePro for android.
The result was p2188 Engine running rich at idle bank 1...
I did a bit of searching and found that there are multiple issues which can cause this.
So I took my car out for a nice driver, after I changed both O2 Sensors, the air filter, the sparkplugs and got a Test reading of this...

Vehicle Calibration ID: GGSL-BE56FS01600

Test report:
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MID:$01 TID:$30
- O2 Bank 1 Sensor 1
Max: 1.99882 Min: 0.27999
Test result value: 0.84955
PASS
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MID:$01 TID:$31
- O2 Bank 1 Sensor 1
Max: 1.99882 Min: 0.19993
Test result value: 1.22427
PASS
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MID:$01 TID:$32
- O2 Bank 1 Sensor 1
Max: 3.05976V Min: 0V
Test result value: 2.262V
PASS
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MID:$01 TID:$33
- O2 Bank 1 Sensor 1
Max: 7.99527V Min: 0.00976V
Test result value: 1.01504V
PASS
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MID:$01 TID:$34
- O2 Bank 1 Sensor 1
Test incomplete or dependant test failed
--
MID:$02 TID:$03
Low sensor Voltage for switch time calculation - O2 Bank 1 Sensor 2
Test incomplete or dependant test failed
--
MID:$02 TID:$04
High sensor Voltage for switch time calculation - O2 Bank 1 Sensor 2
Test incomplete or dependant test failed
--
MID:$21 TID:$8e
- Catalyst Monitor Bank 1
Max: 655.34998% Min: 100%
Test result value: 156.00999%
PASS
----
MID:$35 TID:$91
-
Max: 14° Min: -6°
Test result value: 8.88°
PASS
----
MID:$35 TID:$92
-
Max: 14° Min: -6°
Test result value: 8.88°
PASS
----
MID:$35 TID:$93
-
Max: 25.2° Min: 15°
Test result value: 25.2°
PASS
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MID:$35 TID:$94
-
Max: 25.2° Min: 15°
Test result value: 25.2°
PASS
----
MID:$35 TID:$95
-
Max: -3.99° Min: -23.99°
Test result value: -14.62°
PASS
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MID:$35 TID:$96
-
Max: 35.2° Min: 15.2°
Test result value: 24.14°
PASS
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MID:$41 TID:$81
- O2 Heater Monitor Bank 1 - Sensor 1
Max: 6,553.5°C Min: 760°C
Test result value: 819.70001°C
PASS
----
MID:$42 TID:$8c
- O2 Heater Monitor Bank 1 - Sensor 2
Max: 1,366Ohm Min: 0Ohm
Test result value: 76Ohm
PASS
----
MID:$a2 TID:$0b
EWMA Misfire counts (average) for last 10 drive cycles - Misfire Cylinder 1 Data
Max: 65,535Count Min: 0Count
Test result value: 2Count
PASS
----
MID:$a2 TID:$0c
Misfire counts for last/current driving cycles(calculated) - Misfire Cylinder 1 Data
Max: 65,535Count Min: 0Count
Test result value: 0Count
PASS
----
MID:$a3 TID:$0b
EWMA Misfire counts (average) for last 10 drive cycles - Misfire Cylinder 2 Data
Max: 65,535Count Min: 0Count
Test result value: 0Count
PASS
----
MID:$a3 TID:$0c
Misfire counts for last/current driving cycles(calculated) - Misfire Cylinder 2 Data
Max: 65,535Count Min: 0Count
Test result value: 3Count
PASS
----
MID:$a4 TID:$0b
EWMA Misfire counts (average) for last 10 drive cycles - Misfire Cylinder 3 Data
Max: 65,535Count Min: 0Count
Test result value: 4Count
PASS
----
MID:$a4 TID:$0c
Misfire counts for last/current driving cycles(calculated) - Misfire Cylinder 3 Data
Max: 65,535Count Min: 0Count
Test result value: 0Count
PASS
----
MID:$a5 TID:$0b
EWMA Misfire counts (average) for last 10 drive cycles - Misfire Cylinder 4 Data
Max: 65,535Count Min: 0Count
Test result value: 0Count
PASS
----
MID:$a5 TID:$0c
Misfire counts for last/current driving cycles(calculated) - Misfire Cylinder 4 Data
Max: 65,535Count Min: 0Count
Test result value: 0Count
PASS
----


End of report.



Is there anyone here who knows what all this means? I can see some misfires on cylinders 2 and 3, but the test passes :-/
I also see tests which seem to have either failed or are incomplete for the O2 sensors... those I just changed, are they knackered?

Would be great to get some input from someone in regards to what all the segments mean....

Loos forward to your replies.

Have a goodn,

Rob
 

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I may be wrong about odb2, but it is my understanding that these readers are OK as an indication but do not fully interrogate the computer systems as a dedicated service system would (or clone systems that were used for Jag, Vauxhall, and other makes). It could be just that in this case, and your reader is unable to obtain a response that it expects and therefore throws an error, as in your case "test incomplete".
I tend to try different ODB software to see if the information returned is the same. I also have a couple of different readers to try as well. If it is a Chinese clone, there is no way of knowing how well it communicates or not in some instances.
I am not overly ofay with the results that are presented unless it a recognised code that can be referenced on the interweb.
Sorry I can't be more precise with your problem, but I hope it helps.
 

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Discussion Starter · #4 ·
Well... it turned out to be a faulty high pressure fuel pump.
I tried to replace all cheap parts first, here the list of parts which were changed...
1. Air Filter
2. Tank Lid
3. O2 Sensors - both of them
4. Map Sensor
5. High pressure fuel pump
Drove about 130km and no re occurrence of the fault code. Furthermore my Sporty doesn't crank over 5 to 8 seconds 1st thing in the morning or after work and also doesn't sound like a diesel anymore :).
Should have changed the most expensive part first ;-)
All in all I spent about 350 to 400 euros, which was worth it as all parts I changed should have been replaced in inspections over the years before I had the car... Now I know its been done :)
 

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That's good not the cost but finding the fault.
Out of interest for others perhaps does the odb now pass all tests?
 

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Discussion Starter · #6 ·
Hi, sorry for the late reply... Yep all tests pass now. I get the odd missfire being picked up on cyliders 1 and 3 but nowt to worry about. In regards to costs..I did well researchin on web to find the parts which could have been the problem...and replacing cheap to expensive seemed the right way to go...it was quite an experience tho..... hope it helps someone sometime😎
 
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