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Author Topic: Mis fire Help after refitting intake with Logs (UPDATE - PROBLEM SOLVED)  (Read 4354 times)

Offline Rob GTI

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Mis fire Help after refitting intake with Logs (UPDATE - PROBLEM SOLVED)
« on: June 23, 2011, 09:54:29 pm »
Wonder if anyone can help.

I refitted my ITG yesterday and today on driving it I noticed a misfire at about 5.5k revs. Thought seeing as I played about and the day before it would be something I did, so I looked under the bonnet and sure enough the part of the intake attached to the turbo had come away. So I re-attached checked all other fixing and retested and it was still there!!  :sick:

I have run a log see below and there are some fault codes, it ok in everday drving, the engine light came on briefly and went away almost straight away. Any ideas ? Have I broken something or is it just co-incidence that this fault appeared straight after re-fitting the intake - the intake was only re-fiited to allow it to sit on the rubber grommits that the engine cover sits on - I omitted to do it initially.


 :popcornsoda:
« Last Edit: June 25, 2011, 03:46:33 pm by Rob GTI »
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs
« Reply #1 on: June 23, 2011, 09:54:46 pm »
The Logs.........

VCDS Version: Release 805.4
Data version: 20090602

Thursday,23,June,2011,21:42:04:08280

Chassis Type: 1K0
Scan: 01 03 08 09 15 16 17 19 25 37 42 44 46 52 55 56 77

VIN: WVWZZZ1KZ7W283357   Mileage: 71590km/44483miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: Malfunction 0010
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: Malfunction 0010
37-Navigation -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
52-Door Elect, Pass. -- Status: OK 0000
55-Xenon Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
77-Telephone -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06F-907-115-AXX.lbl
   Part No SW: 1K0 907 115 L    HW: 8P0 907 115 B
   Component: 2.0l R4/4V TFSI     0030 
   Revision: 5BH16---    Serial number: VWZ7Z0G8150775
   Coding: 0403000318070160
   Shop #: WSC 14385 923 394758

3 Faults Found:
000768 - Random/Multiple Cylinder Misfire Detected
               P0300 - 001 - Upper Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Mileage: 71585 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 16:45:36

             Freeze Frame:
                    RPM: 5334 /min
                    Load: 100.0 %
                    Speed: 99.0 km/h
                    Temperature: 90.0°C
                    Temperature: 33.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 13.843 V

000769 - Cylinder 1: Misfire Detected
               P0301 - 001 - Upper Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Mileage: 71585 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 16:45:36

             Freeze Frame:
                    RPM: 5334 /min
                    Load: 100.0 %
                    Speed: 99.0 km/h
                    Temperature: 90.0°C
                    Temperature: 33.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 13.843 V

000772 - Cylinder 4: Misfire Detected
               P0304 - 001 - Upper Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Mileage: 71585 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 16:45:36

             Freeze Frame:
                    RPM: 5334 /min
                    Load: 100.0 %
                    Speed: 99.0 km/h
                    Temperature: 90.0°C
                    Temperature: 33.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 13.843 V

Readiness: 0000 0000

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Offline edd666999

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Re: Mis fire Help after refitting intake with Logs
« Reply #2 on: June 23, 2011, 10:09:39 pm »
coilpack? The 1st cylinder  is on the turbo side i think...pull it out and pop it back in see if it was loosened by accident..
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs
« Reply #3 on: June 23, 2011, 10:17:47 pm »
That may explain the misfire on cylinder 1 but what about cylinder 4?
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Offline edd666999

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Re: Mis fire Help after refitting intake with Logs
« Reply #4 on: June 23, 2011, 11:19:04 pm »
Quote from: Rob GTI on June 23, 2011, 10:17:47 pm
That may explain the misfire on cylinder 1 but what about cylinder 4?

In your anger you attacked the other side of the engine?  :signLOL:

i only suggested this because i had the same thing not 2 weeks ago and again the other day and both times coil pack issue. i have the old version of the coil packs.
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs
« Reply #5 on: June 23, 2011, 11:54:20 pm »
Yours do it at the same rpm ? How much is a new cp by the way? It just might be my bad luck that the intake thing is red herring? I assume it's the same pm for all 4?
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Offline edd666999

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Re: Mis fire Help after refitting intake with Logs
« Reply #6 on: June 24, 2011, 12:19:14 am »
Quote from: Rob GTI on June 23, 2011, 11:54:20 pm
Yours do it at the same rpm ? How much is a new cp by the way? It just might be my bad luck that the intake thing is red herring? I assume it's the same pm for all 4?

£35 each ish.

mine would do it over 60% load. It got alot better with a change of spark plugs too before i changed the coilpack.
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs
« Reply #7 on: June 24, 2011, 10:16:53 am »
Anyone know if it is likely that 2 coil packs fail at the same time?

Also do I need / or is it recommneded to change all four at the same time?

Ta
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Offline martziniuk

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Re: Mis fire Help after refitting intake with Logs
« Reply #8 on: June 24, 2011, 12:38:04 pm »
Check the plug gaps just to make sure you're not getting spark blow out with the increased airflow.
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Offline bacillus

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Re: Mis fire Help after refitting intake with Logs
« Reply #9 on: June 24, 2011, 12:41:50 pm »
Quote from: Rob GTI on June 24, 2011, 10:16:53 am
Anyone know if it is likely that 2 coil packs fail at the same time?

Also do I need / or is it recommneded to change all four at the same time?

Ta

Best advice is to change all four if one fails.  :smiley:
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs (Possible Coil Packs?)
« Reply #10 on: June 24, 2011, 12:58:40 pm »
That would probably be my gut reaction too. Just wanted to get it confirmed rather than waste money.

Anyone heard of more than one going at the same time, is it something that once one goes the other are supplied with more current, hence a domino effect??
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Offline bacillus

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Re: Mis fire Help after refitting intake with Logs (Possible Coil Packs?)
« Reply #11 on: June 24, 2011, 04:43:38 pm »
What year is your car as if it's in the correct time frame you may be able to get them changed free of charge from VW under the recall. iirc Saint Steve got new ones in his ed 30 with this VW campaign.
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Offline Rob GTI

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Re: Mis fire Help after refitting intake with Logs (Possible Coil Packs?)
« Reply #12 on: June 24, 2011, 04:55:52 pm »
Quote from: bacillus on June 24, 2011, 04:43:38 pm
What year is your car as if it's in the correct time frame you may be able to get them changed free of charge from VW under the recall. iirc Saint Steve got new ones in his ed 30 with this VW campaign.

Mine is a June 07 car. I rang my dealer when I heard of the issue and they said my car was too new for this, although I might have a look at the coil pack tommorrow and see if it has the effected P/Ns. Don;t hurt to check again and seeing as the dealer seemed unsure of himself I want to double check anyway.
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Offline bacillus

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Re: Mis fire Help after refitting intake with Logs (Possible Coil Packs?)
« Reply #13 on: June 24, 2011, 05:18:34 pm »
To see the revision letter you will have to remove the harness from the coil pack.   :smiley:
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Offline 56OctyVRS

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Re: Mis fire Help after refitting intake with Logs (Possible Coil Packs?)
« Reply #14 on: June 24, 2011, 06:42:06 pm »
I would check to see if there are any air leaks in the intake and make sure you have the MAF sensor seated correctly.  Whenever I change anything on my car I just reload the map via my sts so it adapts to the change.  Sounds like you have an air leak some where to me.
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