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S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

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Old 08-04-2014, 05:24 PM   #21
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Looks like it has an APR chip. It would not surprise me if the soldering was going bad.

M is the 2001.5 model year ecu and T is the 2002 model year, functionally no difference.
Stock -> APR Stg1/2 -> GIAC Stg2 -> APR K04 Stg3 -> EPL TiAL 605 -> V̶A̶S̶T̶ EPL/Frankenturbo F4H -> Stock-ish
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Old 09-20-2014, 04:52 AM   #22
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running rich codes came back on.

So I took the car to another dealer and they said the thottle body boot was leaking. After a quick google I saw this is a common problem with these cars. I have the car for a day now and no check engine light anymore. Hope this fixes all the problems. Dealer charged $600....I have a feeling this took them 30 minutes to change....
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Old 09-20-2014, 04:52 AM
Audi R8

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b5, p1454, p1557, s4

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