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PDXaudi2002
12-06-2007, 05:51 PM
Hello? I knew to the audi world and have a couple questions... 1. Is there any way i can tell if a b5 a4 has been chipped? 2. How can you tell if the car is a year 1999.5? and yes i did search and couldnt find any answer on these 2 questions, I have been lurking around and trying to teach myself b4 i post any question.

devmaster
12-06-2007, 05:57 PM
1. look on vag-com to see if you can find any irregualrites in the ECU. like stuff saying REVO, GIAC, APR, UNITRONIC or others. its kinda hard unless u have trained eye (and Vag-Com for that matter)
2. the 99.5 is called "facelifted" it has projector headlamps, clear side markers and the taillights are different.
look here: http://ctny.audiworld.com/mark/a4/diff/

ct1.8t4me
12-06-2007, 06:04 PM
To tell if the ECU has been chipped you can either physically inspect it or attach a boost gauge. Neither one is particularly hard to do and you should definitely have a boost gauge anyway. If you already own the car get a boost gauge now before you make another change.

A '99 should make about 7-8 PSI stock and about 15-16 if chipped. 5 PSI would indicate limp mode.

To the other guy's point, I can't tell that my ECU is chipped when I look at it in VAG-COM and I have an APR 2 program ECU.

PDXaudi2002
12-06-2007, 06:06 PM
ok everything on my car looks like its a 99.5 except the side markers they are clear but there square instead of the oval shape so im still not sure , and also i have the car and there is a boost gauge and its boost at 10psi

devmaster
12-06-2007, 06:43 PM
i would say its chipped then. are the headlights one piece or two piece? (headlights in 1, and turn signals next to it but in different housing

ct1.8t4me
12-06-2007, 06:48 PM
10 PSI sounds like a K03 Sport (170HP model) I forget what years they came in. There are some chips (Neuspeed, etc.) that offer .8 bar which would be about 12PSI. I don't know of any chips that run at 10PSI though.

speedydragon
12-06-2007, 06:52 PM
who would spend money on a 12psi chip when the 16psi is like $50 more?

devmaster
12-06-2007, 07:02 PM
10 PSI sounds like a K03 Sport (170HP model) I forget what years they came in. There are some chips (Neuspeed, etc.) that offer .8 bar which would be about 12PSI. I don't know of any chips that run at 10PSI though.

the 170hp vesion was on the 2001, with the ko3s turbo
he has a 99 or 99.5.

he could have a neuspeed chip or he could have a more aggressive chip and a vacume leak

PDXaudi2002
12-06-2007, 07:27 PM
ok i was searching some more and i found out how to check if im chipped or not and comes to find out the i am chipped with TAP TUNED and i have did research on those and there old and pretty much suck.....lol, also yes i have 1 piece headlights