Poor running still, teating my hair out

A

adam71570

Member
I am getting really fed up with my A2 now, anyway I have a poor running year 2000 1.4 petrol for a while now. I have changed plugs , ignition leads , coil pack and cleaned throttle body. Car still doesn't run right , had it in garage the other day and he says it's got a missfire which I already knew. Engine management light goes on and off, it usually comes back on when doing 60mph on motorway and starts doing the usual stuttering juddering.
I am seriously running out of ideas and am getting sick of spending money now, basically what I am asking is has anyone else had a similar problem or can give me some advice please.

Thanks in advance Adam.
 
Sorry to hear your problems but have you had it scanned and if so what codes did it have? cheers mike
 
Not scanned by VAGCOM Mike no, but if Johnmed can scan it for me that would be a great help John. I could bring it to you if your not busy Saturday morning if that is any good for you, and there will be a crate of beer of your choice in it for you cheers Adam

Thanks.
 
Scanned with VCDS

Ok, little update. Met with Adam earlier this morning, nice to meet you Adam.

Ran a scan and these are the results:


VCDS Version: Release 11.11.3
Data version: 20120401
Saturday,28,June,2014,10:33:58:32264
Chassis Type: 8Z - Audi A2
Scan: 01 02 03 08 15 16 17 18 37 45 46 56 57 75 76 77

VIN: WAUZZZ8ZZ1N044596
-------------------------------------------------------------------------------
Address 01: Engine Labels: 036-906-034-APE.lbl
Part No: 036 906 034 Q
Component: MARELLI 4LV 3720
Coding: 00051
Shop #: WSC 00654
VCID: 2045FE59A0D8C29
WAUZZZ8ZZ1N044596 AUZ7Z0A1782497
5 Faults Found:
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - Intermittent
16686 - Cylinder 2
P0302 - 35-10 - Misfire Detected - Intermittent
16687 - Cylinder 3
P0303 - 35-10 - Misfire Detected - Intermittent
17757 - Ignition Coil Power Output Stage 2
P1349 - 35-10 - Open Circuit - Intermittent
17756 - Ignition Coil Power Output Stage 1
P1348 - 35-10 - Open Circuit - Intermittent
Readiness: 0000 0000
-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 8Z0-907-379-MK20.lbl
Part No: 8Z0 907 379 B
Component: ESP 20 CAN V015
Coding: 10758
Shop #: WSC 02154
VCID: 479745C565B6D51
1 Fault Found:
01314 - Engine Control Module
79-10 - Please Check Fault Codes - Intermittent
-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: None
Part No: 8Z2 820 043
Component: A2-KLIMAVOLLAUTOMAT 0406
VCID: F5EB7F0DCFDA971
1 Fault Found:
00818 - Sensor for Evaporator Outlet Temperature (G263)
30-10 - Open or Short to Plus - Intermittent
-------------------------------------------------------------------------------
Address 15: Airbags Labels: 8Z0-959-655.lbl
Part No: 8Z0 959 655 E
Component: Airbag Front+Seite 5005
Coding: 00102
Shop #: WSC 02152
VCID: 4E9970E18ACC049
No fault code found.
-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8Z0-920-xxx-17.lbl
Part No: 8Z0 920 950 A
Component: W1-KOMBIINSTR. VDO D13
Coding: 05442
Shop #: WSC 00006
VCID: 3C7D2A292C70869
WAUZZZ8ZZ1N044596 AUZ7Z0A1782497
No fault code found.
-------------------------------------------------------------------------------
Address 45: Inter. Monitor Labels: 8E0-951-177.lbl
Part No: 8Z0 951 177
Component: Innenraumueberw. D04
Coding: 00001
Shop #: WSC 00000
VCID: 55AB9F8DAF1A771
No fault code found.
-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: None
Part No: 8Z0 959 433 N
Component: Komfortgerát T2D 0614
Coding: 06860
Shop #: WSC 00654
VCID: 51A36B9D9BF21B1
Subsystem 1 - Part No: 8Z2959802
Component: Tõrsteuer.FS BRM 0001
Subsystem 2 - Part No: 8Z2959801
Component: Tõrsteuer.BF BRM 0001
9 Faults Found:
01330 - Central Control Module for Central Convenience (J393)
37-00 - Faulty
01370 - Alarm triggered by Interior Monitoring
35-00 - -
01369 - Alarm triggered by Hood Switch
35-00 - -
01374 - Alarm triggered by Terminal 15
35-00 - -
01371 - Alarm triggered by Door Contact Switch; Driver's Side
35-00 - -
01562 - Right Rear Door
61-10 - Won't De-Safe - Intermittent
00912 - Window Regulator Switch; Front Left (E40)
27-10 - Implausible Signal - Intermittent
00932 - Electric Window Motor; Drivers Side (V147)
35-00 - -
00913 - Window Regulator Switch; Front Right Driver (E81)
27-00 - Implausible Signal
-------------------------------------------------------------------------------
Address 56: Radio Labels: 8D0-035-1xx-56.lbl
Part No: 4B0 035 152 B
Component: Radio 0001
Coding: 00501
Shop #: WSC 02138
VCID: 1835D6B978888A9
No fault code found.


Having saved the scan results, we cleared and re-scanned. ABS, HVAC and engine faults popped back up.

Can anyone more mechanically minded than we have a look and glean anything from the results?

All the best, John.
 
Check the engine grounding strips attachments, they can cause all kind of weird electrical faults.
 
Rolf said:
Check the engine grounding strips attachments, they can cause all kind of weird electrical faults.
Click to expand...

Interesting you say that Rolf. Adam mentioned he'd read about earthing issues recently but had not yet had a chance to check this. I'd suggested poor battery, sensors or poor earthing can often throw up a multitude of deferred and somewhat unrelated faults.
 
similar rubbish engine running and kept saying it was misfiring. was the egr valve. even though it was replaced last year. I also changed coilpacks and plugs. have you changed coil pack?
 
sits on the left side.
 

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Has anyone tried spraying contact protector on the earthing points after cleaning?
If the battery is not 100% it could be worth dropping into Halfords or somewhere and having a free battery test done. It should give a bit more info.

John
 
Special thanks to John for doing the scan and thanks for all the info guys. Any other thoughts will be great. First job on the list is to check earthing point behind passenger headlight , does anyone have any photos of the earthing point would be a great help. Then next check battery , then if all fails clean egr valve.... Fingers crossed.
 
Fingers crossed you get to the bottom of this Adam. Nice to see the forum full of advice and suggestions for you to be getting along with.
 
Hi everyone just a quick update, yesterday I cleaned with contact cleaner and sanded all the points on the battery connections and reconnected. I also changed a air pipe and put the original coil pack back on , which I never thought was at fault. I also checked the plugs all looked fine and the earth behind the passenger headlight all look good as well. I took it for a spin on the motorway and did 80mph and all was great , no warning lights no nothing. Fingers , toes , legs feet all crossed (you get the jist) that by some f%€king miracle the little s€%t is now cured. I wait with bated breath..........
 
Nice update Adam. Was wondering how you were getting on.

Fingers crossed the little sh@t behaves itself!
 
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