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Help new to this!!!

Discussion in 'A4/S4 forum(B5 Chassis)' started by bunker, Sep 7, 2012.

  1. bunker

    bunker New Member

    Sep 7, 2012
    Likes Received:
    Hi guys, I have just brought my first Audi B5 S4 and love it, she has 54'000 miles in silver full ASH red Recaro crimson red leather. pics soon :drool: Anyway the guy i brought it from rarely used the car hence the mileage, the battery was the OG one so 13 years old, started playing up so I popped to Audi and brought a new one. went home last night pulled the old out and replaced it, started the car and to my dismay was running like what can only be described as a bag of ****! what have I done wrong? I've heard it could have knocked out the throttle body's? ECU? any help here please guys only had the car a week! and itching to drive it!!!!!
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  3. NineNails

    NineNails Proud sponsor of the snack food industry

    Sep 18, 2006
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    I think the ecu looses the throttle body values. I think you have to turn on the ignition and leave for 30 secs or so before you start it for the throttle body to reset

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