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Thread: 2009 Jetta 2.5l P0304 Cylinder 4 misfire

  1. #1
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    2009 Jetta 2.5l P0304 Cylinder 4 misfire

    Having some issues with an intermittent P0304 cylinder 4 misfire. I've changed the coil pack and spark plug on cylinder 4 but the fault will consistently come back after about 1-2 hours of driving, and always while the engine is under heavy load.

    The 2.5l engine has 5 cylinders with cylinder #1 on the left side (passenger side). During troubleshooting, I disconnected the #4 cylinder position coil pack electrical connector, expecting to see the #4 misfire recognition counter start to register misfires, but instead the #5 misfire counter started to register the misfires. I checked all of the coil pack electrical connectors one at a time and found cylinder position #1 and 2 to be "OK" when registering the correct misfire position. However cylinder position #3 registered misfire position 4 and cylinder position #5 registered misfire position 3. I'm a bit confused on this... what is the correlation of cylinder position to misfire position?

    Next step in the troubleshooting is to check the fuel injector for cylinder 4, but I would like to understand the cylinder position to misfire position before I go too much further. Scan is attached...

    Code:
    VCDS Windows Based VAG/VAS Emulator Running on Windows 10 x64 VCDS Version: Release 19.6.2(x64) Data version: 20190930 DS308.0 www.Ross-Tech.com
    Dealer/Shop Name: Workshop Code: 000 00000 000000
    Self-Diagnosis Log Sunday,03,November,2019,15:44:20:60600
    VIN: 3VWRZ71K89M066177   License Plate: Mileage: 199120km-123727mi   Repair Order: 
    Chassis Type: 1K (1K0) Scan: 01 02 03 08 09 0F 15 16 17 19 25 42 44 46 52 56 62 65 72
    VIN: 3VWRZ71K89M066177   Mileage: 199120km-123727miles
    01-Engine -- Status: Malfunction 0010 02-Auto Trans -- Status: OK 0000 03-ABS Brakes -- Status: OK 0000 04-Steering Angle -- Status: OK 0000 08-Auto HVAC -- Status: OK 0000 09-Cent. Elect. -- Status: OK 0000 0F-Digital Radio -- Status: Malfunction 0010 15-Airbags -- Status: OK 0000 16-Steering wheel -- Status: OK 0000 17-Instruments -- Status: OK 0000 19-CAN Gateway -- Status: OK 0000 25-Immobilizer -- Status: OK 0000 42-Door Elect, Driver -- Status: Malfunction 0010 44-Steering Assist -- Status: OK 0000 46-Central Conv. -- Status: OK 0000 52-Door Elect, Pass. -- Status: OK 0000 56-Radio -- Status: Malfunction 0010 62-Door, Rear Left -- Status: OK 0000 65-Tire Pressure -- Status: OK 0000 72-Door, Rear Right -- Status: Malfunction 0010
     
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 2
    VIN: 3VWRZ71K89M066177   License Plate: 
    
    Address 01: Engine (CBU)       Labels: 07K-906-055-CBT.clb  
       Part No SW: 07K 906 055 M    HW: 07K 906 055 M   
       Component: 2,5l R5/4V      G   9970     Revision: G6H02---    
       Serial number: VWX7Z0H92480M3   
       Coding: 0000075   
       Shop #: WSC 06497 444 999999   
       VCID: 387FEEA94BBF338F5F-806C
    
    2 Faults Found: 
    
       000768 - Random/Multiple Cylinder Misfire Detected            
           P0300 - 000 -  - Intermittent         
             Freeze Frame:                
                Fault Status: 00100000                
                Fault Priority: 0                
                Fault Frequency: 1                
                Reset counter: 255                
                Mileage: 199106 km                
                Time Indication: 0                
                Date: 2000.00.00                
                Time: 23:43:46
             Freeze Frame:  
                 RPM: 2133 /min
                    Load: 87.8 %
                    Speed: 41.0 km/h
                    Temperature: 84.0°C
                    Temperature: 39.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 13.970 V
    
       000772 - Cylinder 4
                P0304 - 000 - Misfire Detected - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 199106 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 23:43:46
             Freeze Frame:
                    RPM: 2133 /min
                    Load: 87.8 %
                    Speed: 41.0 km/h
                    Temperature: 84.0°C
                    Temperature: 39.0°C
                    Absolute Pres.: 1010.0 mbar
                    Voltage: 13.970 V
    Readiness: 0000 0000
    
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 3
    VIN: 3VWRZ71K89M066177   License Plate: 
    ------------------------------------------------------------------------------Address 02: Auto Trans        Labels: 09G-927-750.clb   Part No SW: 09G 927 750 JE    HW: 09G 927 750 JE   Component: AQ 250 6F           1377     Revision: 00H76000    Serial number:                  Coding: 0000840   Shop #: WSC 00066 000 00000   VCID: 7DF13FBD241DD6A7CC-8028
    No fault code found.
    ------------------------------------------------------------------------------Address 03: ABS Brakes (-----)       Labels:. 1K0-907-379-60EC1F.clb   Part No SW: 1K0 907 379 AD    HW: 1K0 907 379 AD   Component: ESP MK60EC1   H35 0104     Revision: 00H35001       Coding: 113B400D49280000880C02EB922000413000   Shop #: WSC 00066 000 00000   VCID: 74E71A99D75797EFB3-8020
    No fault code found.
    ------------------------------------------------------------------------------Address 08: Auto HVAC        Labels: 1K0-820-047.lbl   Part No SW: 1K0 820 047 JM    HW: 1K0 820 047 JM   Component: Climatic PQ35   142 1212     Revision: 00142032    Serial number: 00000000000000   Shop #: WSC 00000 000 00000   VCID: 78FF2EA90B3FF38F9F-802C
    No fault code found.
    ------------------------------------------------------------------------------Address 09: Cent. Elect.        Labels:. 3C0-937-049-30-M.lbl   Part No SW: 3C8 937 049 D    HW: 3C8 937 049 D   Component: Bordnetz-SG     H54 2602     Revision: 00H54000    Serial number: 00000001098775   Coding: 14058E234004150007140000001400000008730B5C000120000000000000   Shop #: WSC 00066 000 00000   VCID: 326BDC81ADC3D9DF61-8066
       Subsystem 1 - Part No: 1K1 955 119 E  Labels: 1KX-955-119.CLB   Component: Wischer 101008 021  0501     Coding: 00038805   Shop #: WSC 00066  
    No fault code found.
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 4
    VIN: 3VWRZ71K89M066177   License Plate: 
    Address 0F: Digital Radio        Labels: 8E0-035-593-SIR.lbl   Part No SW: 8E0 035 593 M    HW: 8E0 035 593 M   Component: SDAR SIRIUS     H07 0150     Revision: 00000000    Serial number: AUZ4Z7H0434471   Coding: 0000100   Shop #: WSC 00066 000 00000   VCID: 3365D98552D9D0D76A-8066
    1 Fault Found: 02635 - Tuner Not Enabled/Activated         000 -          Freeze Frame:                Fault Status: 01100000                Fault Priority: 7                Fault Frequency: 1                Reset counter: 201                Mileage: 199009 km                Time Indication: 0                Date: 2000.00.00                Time: 06:24:08
    ------------------------------------------------------------------------------Address 15: Airbags        Labels: 1K0-909-605.lbl   Part No SW: 1K0 909 605 AB    HW: 1K0 909 605 AB   Component: 6A AIRBAG VW8R  034 8000     Revision: 05034000    Serial number: 003B6M0754S0     Coding: 0013889   Shop #: WSC 00066 000 00000   VCID: 6CD702F94F674F2F6B-8038
       Subsystem 1 - Part No: 1K0 959 339 H   Component: BF-Gewichtsens. 007 0006
       Subsystem 2 - Serial number: 6332MSME3E61187AL
       Subsystem 3 - Serial number: 6342MSME3F21233AB
       Subsystem 4 - Serial number: 6351HSME181B075FF
       Subsystem 5 - Serial number: 6361HSME181D6339C
       Subsystem 6 - Serial number: 63727SME177D0B67C
       Subsystem 7 - Serial number: 63827SME1833020BW
    No fault code found.
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 5
    VIN: 3VWRZ71K89M066177   License Plate: 
    Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl   Part No SW: 1K0 953 549 BR    HW: 1K0 953 549 BR   Component: J0527           051 0101     Coding: 0010021   Shop #: WSC 00066 000 00000   VCID: 0305494542F9A057BA-8056
    No fault code found.
    ------------------------------------------------------------------------------Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl   Part No SW: 1K0 920 954 S    HW: 1K0 920 954 S   Component: KOMBIINSTRUMENT 3HL 1222     Revision: V0003000    Serial number: VWX7Z0H92480M3   Coding: 0023203   Shop #: WSC 00066 067 57207   VCID: 3C77F2B97F871FAFBB-8068
    No fault code found.
    ------------------------------------------------------------------------------Address 19: CAN Gateway        Labels:. 1K0-907-530-V3.clb   Part No SW: 1K0 907 530 Q    HW: 1K0 907 951    Component: J533  Gateway   H07 5063     Revision:   H07 01    Serial number: 220808F1001243   Coding: ED807F070003021002   Shop #: WSC 00066 000 00000   VCID: 3561E79D5CADCEE744-8060
    No fault code found.
    ------------------------------------------------------------------------------Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb   Part No SW: 1K0 920 954 S    HW: 1K0 920 954 S   Component: IMMO            3HL 1222     Revision: V0003000    Serial number: VWX7Z0H92480M3   Shop #: WSC 00000 000 00000   VCID: 3C77F2B97F871FAFBB-8068
    No fault code found.
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 6
    VIN: 3VWRZ71K89M066177   License Plate: 
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb   Part No SW: 1K0 959 701 AC    HW: 1K0 959 793 N   Component: J386  TUER-SG FT    1519     Revision: 72009005    Serial number: 00000525288916   Coding: 0001205   Shop #: WSC 00066 000 00000   VCID: 6FED15F57E71B4374E-803A
    1 Fault Found: 00109 - Left Mirror Turn Signal Lamp (L131)         012 - Electrical Fault in Circuit         Freeze Frame:                Fault Status: 01101100                Fault Priority: 5                Fault Frequency: 11                Reset counter: 209                Mileage: 0 km                Time Indication: 0
    ------------------------------------------------------------------------------Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb   Part No: 1K0 909 144 C   Component: EPS_ZFLS Kl. 70     2301     Revision: 00H15000       Shop #: WSC 02069 000 90108   VCID: 2A5BC4E18513911FD9-807E
    No fault code found.
    ------------------------------------------------------------------------------Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT   Component:    KSG PQ35 RDK 052 0221     Revision: 00052000    Serial number: 00000000000000   Coding: 13900F880186281B0904058FB0880F0488DCA0   Shop #: WSC 00066 000 00000   VCID: 04074A5947F7A76F83-8050
       Subsystem 1 - Component:   Sounder n.mounted     
       Subsystem 2 - Component:       NGS n.mounted     
       Subsystem 3 - Component:      IRUE n.mounted     
    No fault code found.
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 7
    VIN: 3VWRZ71K89M066177   License Plate: 
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb   Part No SW: 1K0 959 702 AC    HW: 1K0 959 792 N   Component: J387  TUER-SG BT    1519     Revision: 72009005    Serial number: 08072810341502   Coding: 0001204   Shop #: WSC 00066 000 00000   VCID: 70EF1689634FABCF57-8024
    No fault code found.
    ------------------------------------------------------------------------------Address 56: Radio        Labels: 1K0-035-1xx-56.lbl   Part No SW: 1K0 035 180 L    HW: 1K0 035 180 L   Component: Radio DE2       016 0020     Revision: 00016000    Serial number: VWZ4Z7H2240042   Coding: 0040401   Shop #: WSC 00000 000 00000   VCID: 29593BED80159A07D0-807C
    4 Faults Found: 00874 - Treble Speaker Front Left (R20)         011 - Open Circuit - Intermittent 00875 - Treble Speaker Front Right (R22)         011 - Open Circuit - Intermittent 00876 - Treble Speaker Rear Left (R14)         011 - Open Circuit - Intermittent 00877 - Treble Speaker Rear Right (R16)         011 - Open Circuit - Intermittent
    ------------------------------------------------------------------------------Address 62: Door, Rear Left        Labels:. 1K0-959-703-GEN3.clb   Part No SW: 1K0 959 703 AH    HW: 1K0 959 795 T   Component: J388   TUER-SG HL   1401     Revision: 12006001    Serial number: 00000003488153   Coding: 0001168   Shop #: WSC 00066 000 00000   VCID: 76E32091012B85FF8D-8022
    No fault code found.
    ------------------------------------------------------------------------------Address 65: Tire Pressure        Labels: 3C0-959-433-65.lbl   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT   Component:    RDK              0450     Revision: 00052000    Serial number: 00000000000000   Coding: 0100101   Shop #: WSC 131071 1023 2097151   VCID: 04074A5947F7A76F83-8050
    No fault code found.
    ------------------------------------------------------------------------------
    VCDS Self-Diagnosis Log Sunday,03,November,2019,15:44:21:60600 Page 8
    VIN: 3VWRZ71K89M066177   License Plate: 
    Address 72: Door, Rear Right        Labels:. 1K0-959-704-GEN3.clb   Part No SW: 1K0 959 704 AH    HW: 1K0 959 794 T   Component: J389   TUER-SG HR   1401     Revision: 12006001    Serial number: 00000003538253   Coding: 0001168   Shop #: WSC 00066 000 00000   VCID: 77FD2D950621FCF796-8022
    2 Faults Found: 00931 - Locking Module for Central Locking; Rear Right (F223)         008 - Implausible Signal - Intermittent         Freeze Frame:                Fault Status: 00101000                Fault Priority: 3                Fault Frequency: 9                Reset counter: 249                Mileage: 199009 km                Time Indication: 0
    01554 - Motors for Central Locking; Rear Doors; Lock         012 - Electrical Fault in Circuit         Freeze Frame:                Fault Status: 01101100                Fault Priority: 3                Fault Frequency: 6                Reset counter: 209                Mileage: 0 km                Time Indication: 0
    Last edited by Uwe; 11-04-2019 at 10:06 AM. Reason: Cleaned up 01-Engine section for legibility

  2. #2
    NostraJackAss Jack@European_Parts's Avatar
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    Sounds like faulty grounds or substandard parts + altered tuning present, what's status of VC breather?
    Please post a valid auto-scan.

    Ever JPPSG?
    Mileage: 199120km-123727miles
    Vehicle Identification No. 3VWRZ71K89M066177
    Model Jetta
    JEM
    Date of production 15.10.2008
    Model year 2009
    Sales type 1K27S3
    Engine Code CBUA
    Transmission Code KGL
    Emission standard 0GT Emission standard SULEV

    Ever hear of a thing called useful life warranty, because you have it still?
    Last edited by Jack@European_Parts; 11-04-2019 at 04:43 AM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  3. #3
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    Also check if wire colours are correct relative to ign coil as per wiring diagram?

  4. #4
    NostraJackAss Jack@European_Parts's Avatar
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    Did you know that your car requires at least two firmware updates?

    Did you know that such an update when needed implies a defect as per the vehicles original certification & everything connected to it is fair game for warranty it vicariously controls, interesting huh?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  5. #5
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    Quote Originally Posted by Jack@European_Parts View Post
    Did you know that your car requires at least two firmware updates?

    Did you know that such an update when needed implies a defect as per the vehicles original certification & everything connected to it is fair game for warranty it vicariously controls, interesting huh?
    No I didn't know it needs 2 firmware updates. I'm a bit new to using the VCDS software, so apologize for the scan... I'm not able to get to the car until later this week, but I'll post the scan correctly then. How did you find the car needs 2 firmware updates? I would like to check into that.

    Also, interesting enough, we bought the car with about 40k miles on it, all original parts on it, not mods, and have been driving it without problems until now, about 123k miles.

    I did not check the wiring on each coil pack connector yet, but will.

    Thanks!

  6. #6
    NostraJackAss Jack@European_Parts's Avatar
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    No I didn't know it needs 2 firmware updates. I'm a bit new to using the VCDS software, so apologize for the scan... I'm not able to get to the car until later this week, but I'll post the scan correctly then. How did you find the car needs 2 firmware updates? I would like to check into that.

    Also, interesting enough, we bought the car with about 40k miles on it, all original parts on it, not mods, and have been driving it without problems until now, about 123k miles.

    I did not check the wiring on each coil pack connector yet, but will.

    Thanks!
    Wouldn't you read the RTFB and TSB's or go here to observe it?

    https://erwin.vw.com/erwin/showHome.do

    https://literature.vw.com/calibration_lookup.asp


    Hey did you read this OP?

    https://iaspub.epa.gov/otaqpub/displ...d=20181&flag=1
    Last edited by Jack@European_Parts; 11-04-2019 at 08:53 AM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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