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  1. #1
    Veteran Member Three Rings bastosmafka's Avatar
    Join Date
    Jan 06 2007
    AZ Member #
    14665
    My Garage
    Audi A4 Q
    Location
    San jose, Ca

    p0102 and p0103 with random loss of power

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    1996 Audi a4 quattro 12v @240xxx miles

    Ive been having these two codes come up(p0102/p0103. It felt almost like the fuel pump is going out. I would drive regularly with codes cleared and at random the car will lose power at any given time for 2-8 seconds then switch on again like nothing happened. If I'm able to clear codes the car will run fine until that loss of power comes then CEL will appear and it will run like crap. It gets all jerky when i mess with the gas especially when I try to take off in first gear.
    Things ive done recently to the car in no specific order:
    Waterpump/ timing belt kit
    Pick n pull coil packs
    Pick n pull MAF
    Pick n pull fuel pump off of a 2001 b5
    Pick n pull camshaft sensor cause the connector snapped
    New fuel filter
    Cleaned out egr
    Cleaned out throttle body
    New spark plugs and wires properly gapped

    Only few things I could think of that are left are vacuum hoses ( should be a constant problem no matter if I had a CEL or not), fuel injectors ( should throw a misfire code?), or a cracked wire in the wire hsrness.

    I'm pretty stuck and I'm running out of time.. Its my only means on transportation and I'm scared that my random loss of power is gonna turn into no power and I'll be stuck on the side of the road!

  2. #2
    Veteran Member Three Rings bastosmafka's Avatar
    Join Date
    Jan 06 2007
    AZ Member #
    14665
    My Garage
    Audi A4 Q
    Location
    San jose, Ca

    Bump. I need help!
    TEAM|AXION

  3. #3
    Veteran Member Four Rings Avant Nate's Avatar
    Join Date
    Dec 23 2009
    AZ Member #
    52450
    My Garage
    2001 Audi Allroad 6MT,1999 Yukon Denali, 1987 4Runner
    Location
    Boulder, CO

    Put this in the main B5 A4 forum, hardly anyone comes to the tech section. Check the MAF wiring.
    99.5 1.8T QMS: GT2860RS .63 T3, PSI T3 Mani, Turbosmart 38mm EWG, Unitronic 415, Forge 007,Treadstone TR18 FMIC, Walbro e85 450, FSI coil conversion, 3" DIY Magnaflow/Dynomax VT exhaust
    Depo ecodes, DDM slim 6000k, VDO boost gauge, PLX AFR, Greddy profec B EBC,
    H&R sport springs, 034 rear sway, 034 rear diff carrier, A8 fronts,18x8 OZ Superleggera
    Next up E85, efr 7163 or gtx3071r?
    01 allroad 2.7t 6mt, GIAC stage 1

  4. #4
    Veteran Member Three Rings bastosmafka's Avatar
    Join Date
    Jan 06 2007
    AZ Member #
    14665
    My Garage
    Audi A4 Q
    Location
    San jose, Ca

    Thanks for the heads up
    TEAM|AXION

  5. #5
    Veteran Member Four Rings clumsyme's Avatar
    Join Date
    Jun 12 2013
    AZ Member #
    117043
    Location
    Nashville

    have you changed your fuel filter?
    "He-Man with that long sexy hair, in those provocative tights with his butt looking oh so scrumptious in those booty huggers." -Seerlah

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