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  1. 10-12-2010 07:03 PM #1
    plokm
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    LPFP????pressure bars?

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    How many bars should the lpfp have when the engine is off?
    mvb 103

    2.0t fwd

    Can any one confirm this test?

    Try this:
    1. Connect the vag-com
    2. Turn the key to the ON position (don't start the car)
    3. Select "OBD II", then "Mode 1: Read Data"
    4. Select module "35 - Fuel Rail Pressure"
    5. It should be relatively steady at 600 kPa

    If it is not, then then there is a good chance the LPFP is not working correctly.

    lpfp part number?
    Last edited by plokm; 10-12-2010 at 10:57 PM.
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  2. 10-12-2010 08:11 PM #2
    bofa deez
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    what motor?
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  3. 10-13-2010 05:35 AM #3
    viziers
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    Now i'm no expert but isn't the fuel rail the high pressure side of the fueling???? But in any case here is a link that might help you out..

    http://www.audizine.com/forum/showth...highlight=lpfp




    vizi
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  4. 10-13-2010 12:28 PM #4
    plokm
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    Does anyone know if I have to drop the gas tank in order to replace the fuel pump for a fwd
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  5. 10-13-2010 12:29 PM #5
    Insane_Audi
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    Quote Originally Posted by plokm View Post
    Does anyone know if I have to drop the gas tank in order to replace the fuel pump for a fwd
    LPFP yes, HPFP no

    i think
    carl.
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  6. 10-13-2010 12:49 PM #6
    viziers
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    No you do NOT have to drop the tank.. All you need to do is take out the back seat and the pump is under the passenger side black access cover!!

    I know from personal experience!


    vizi
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  7. 10-13-2010 12:50 PM #7
    Insane_Audi
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    Quote Originally Posted by viziers View Post
    No you do NOT have to drop the tank.. All you need to do is take out the back seat and the pump is under one of the 2 black access covers!!

    I know from personal experience!


    vizi
    I thought when VAST did it, they dropped the tank?
    carl.
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  8. 10-13-2010 12:51 PM #8
    plokm
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    mines is located in the trunk
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  9. 10-13-2010 05:12 PM #9
    Dimitris_Kon
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    Quote Originally Posted by viziers View Post
    No you do NOT have to drop the tank.. All you need to do is take out the back seat and the pump is under the passenger side black access cover!!

    I know from personal experience!


    vizi
    Agreed. How obvious that some people like to experiment on LPFP on their A4 b7.. Mr vizi



    Dimitris
    http://forum.audisportsclub.gr/
    RS4 OEM LOOK BT stage 3
    BEFORE : TIAL Gt3076R setup set @ 2.2 bar (32 psi) - etuners ecu management - maf reading @ 412 g/s
    NOW : GTX3076R with TIAL 82 housing..
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  10. 10-14-2010 04:58 AM #10
    viziers
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    Quote Originally Posted by plokm View Post
    mines is located in the trunk
    What??? That CAN'T be right.. You might want to make sure there......... I know because I have done a FWD to AWD conversion...

    EDITED!!!!!!

    vizi
    Last edited by viziers; 10-14-2010 at 12:37 PM.
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  12. 10-14-2010 05:01 AM #11
    viziers
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    Quote Originally Posted by Dimitris_Kon View Post
    Agreed. How obvious that some people like to experiment on LPFP on their A4 b7.. Mr vizi



    Dimitris

    He hehe... Yea i've played around with it a bit and need to play around some more too...


    vizi
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  13. 10-14-2010 12:22 PM #12
    plokm
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    Quote Originally Posted by viziers View Post
    What??? That CAN'T be right.. You might want to make sure there......... I know because I have done a AWD to FWD conversion...



    vizi
    vizi are you messing with me or you serious? But yeah its in the trunk on the passenger side
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  14. 10-14-2010 12:41 PM #13
    viziers
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    Quote Originally Posted by plokm View Post
    vizi are you messing with me or you serious? But yeah its in the trunk on the passenger side


    Retracted!
    I'm serious! i'm going crazy!

    vizi
    Last edited by viziers; 10-14-2010 at 01:05 PM.
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  15. 10-14-2010 06:15 PM #14
    plokm
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    Well yeah....my lpfp is in the trunk.

    2005.5 automatic fwd
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  16. 10-15-2010 04:34 AM #15
    viziers
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    Quote Originally Posted by plokm View Post
    Well yeah....my lpfp is in the trunk.

    2005.5 automatic fwd
    And to think my car WAS a FWD.....

    Lack of sleep from my twins is surfaceing!!!!



    vizi
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  17. 10-17-2010 07:48 PM #16
    plokm
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    what's part number for the lpfp
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  18. 10-18-2010 04:23 AM #17
    viziers
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    8E0 919 051 AK there might be a newer revision but this is what I have for ETKA.



    vizi
    05.5 B7 A4 longest running with no motor issues at 373whp

    Car:Custom JRP Mani & DP, GT3076, FWD to AWD conversion, IE 144/20, Wossner 83.5mm 9.2:1Cr, CM FX400, Ported Head Ferrea valves, EJ VC, EJ S3 Dv Flange, Custom STASIS Exh, Precision 600hp FMIC, RS4 injec, Tial 38mm, 034 SD mounts, Apikol Rear Diff, RS4 Sway, APR Snub Mnt, DO 4 port w/m direct inject, HPFPUpgrade 142bar PRV & StgII HPFP, 1.8 oil pump conv, Crnk dowel pin
    Absolute Automotive Tuned to 373+awhp @23.5psi (Corrected)
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  19. 02-10-2011 05:05 PM #18
    rosd2a4
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    What is the new version?
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  20. 02-10-2011 07:24 PM #19
    A4_Joe
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    you sure you not talking about low side fuel pressure sensor on the low side of fuel rail?
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  21. 02-13-2011 02:08 PM #20
    plokm
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    8e0919051cn
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