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  1. 10-04-2008 11:24 PM #1
    aaronamerica
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    is my ecu bad or the tapp chip

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    well tonight I tried to start the car up and it wouldnt start at all as if the fuel pump was bad, so I hooked up my lil scan tool I bought from autozone and it says ERROR check connections....ok so I threw my old mika tune ecu in and the car started right up, so does this mean my ecu is bad or could the tapp chip possibly gone bad
    1998 Audi A4 built 1.8t Quattro--MaxxEcu Standalone---ID1300cc injectors ---Gt3582 turbo---on E85 --- AEM fuel pump---


    2003 Audi Avant built bottom end 1.8t Quattro 5speed--Eurodyne Maestro---gt35 turbo--- On E85--- 870cc injectors--Walbro 450 fuel pump--19" Staggered iForged Daytona wheels

    2011 Audi Q5 Daily--H&R springs--Eurodyne Stage 1 tune
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  2. 10-05-2008 06:39 AM #2
    D's Avant
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    Re: is my ecu bad or the tapp chip

    Look at the TAPP chip in your ECU. You could have a bad/loose sodder. I had the same thing happen to me and it was the loose chip on mine.
    Current '08 A6 Avant S-Line
    Former '99 A4 Avant 1.8t
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  3. 10-05-2008 07:50 AM #3
    aaronamerica
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    Re: is my ecu bad or the tapp chip

    Quote Originally Posted by D's Avant View Post
    Look at the TAPP chip in your ECU. You could have a bad/loose sodder. I had the same thing happen to me and it was the loose chip on mine.
    yea I opened the ecu and found the the chip loose, and still the same results but I didn't look for loose solder so I'll open it up again to day
    1998 Audi A4 built 1.8t Quattro--MaxxEcu Standalone---ID1300cc injectors ---Gt3582 turbo---on E85 --- AEM fuel pump---


    2003 Audi Avant built bottom end 1.8t Quattro 5speed--Eurodyne Maestro---gt35 turbo--- On E85--- 870cc injectors--Walbro 450 fuel pump--19" Staggered iForged Daytona wheels

    2011 Audi Q5 Daily--H&R springs--Eurodyne Stage 1 tune
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  4. 10-05-2008 08:30 AM #4
    aaronamerica
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    Re: is my ecu bad or the tapp chip

    just checked everything and all connections are good and I didnt see any loose solder so I'm assumming either the chip or the ecu is bad???
    1998 Audi A4 built 1.8t Quattro--MaxxEcu Standalone---ID1300cc injectors ---Gt3582 turbo---on E85 --- AEM fuel pump---


    2003 Audi Avant built bottom end 1.8t Quattro 5speed--Eurodyne Maestro---gt35 turbo--- On E85--- 870cc injectors--Walbro 450 fuel pump--19" Staggered iForged Daytona wheels

    2011 Audi Q5 Daily--H&R springs--Eurodyne Stage 1 tune
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  5. 04-21-2009 11:05 AM #5
    Monster Stealth
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    Re: is my ecu bad or the tapp chip

    Sorry to bump and old thread, but what did you find out? I am in a similar situation now.
    1999 Audi A4 1.8TQM - Daily Driver
    1993 Mitsubishi 3000GT VR-4 - Fully built top and bottom end, currently breaking in.
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  6. 04-21-2009 11:26 AM #6
    flynnr
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    Re: is my ecu bad or the tapp chip

    maybe you had moisture issues?
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  7. 04-21-2009 07:29 PM #7
    aaronamerica
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    Re: is my ecu bad or the tapp chip

    for some reason the chip went bad but they replaced it asap
    1998 Audi A4 built 1.8t Quattro--MaxxEcu Standalone---ID1300cc injectors ---Gt3582 turbo---on E85 --- AEM fuel pump---


    2003 Audi Avant built bottom end 1.8t Quattro 5speed--Eurodyne Maestro---gt35 turbo--- On E85--- 870cc injectors--Walbro 450 fuel pump--19" Staggered iForged Daytona wheels

    2011 Audi Q5 Daily--H&R springs--Eurodyne Stage 1 tune
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