Hi guys ive posted in here a while back saying i was needing a piggyback ecu, now the guys fitting it have tried a unichip and vipec with no joy has anyone any ideas on what to try next??
cars stats are auto 97 rs4
Shift kit
hks exhaust incl downpipe, de cat
hks intercooler
Hks gtrs turbo
Hks boost controller
uprated fuel pump
Adj fuel reg
z32 airflow meter