Paul Stevens Posted December 10, 2019 Share Posted December 10, 2019 Hi, I m new to forum chat but I m after some info/help My 09 sti has a ppp fitted which felt very good, but after having a flat Battery I ve lost the performance and its a nightmare on fuel, anyone else heard or had this problem, and can anything be done to retreave power, thanks paul Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted December 10, 2019 Share Posted December 10, 2019 Hi n welcome, Paul . Can't say it's a common symptom but maybe if it had been remapped at some point ? It might have gone back to a different map , as some software allows duel maps . Could be another fault ,misfire ,boost leak ,collapsed cat ect . Any dash lights staying on ? Maybe a ECU code read might help pin point any issues Quote Link to comment Share on other sites More sharing options...
Paul Stevens Posted December 10, 2019 Author Share Posted December 10, 2019 Hi, thanks for the reply, I bought the car already done, it does have the prodrive sticker on drivers door, and a rolling road graph with car. How do I go about a code read, any suggestions on where? I'm based in Herefordshire. Thanks Quote Link to comment Share on other sites More sharing options...
Siluro Posted December 11, 2019 Share Posted December 11, 2019 You have a OBD port underneath the steering wheel near your knees. Plug in an OBD reader and get any codes (pending codes). I bought a cheap Bluetooth one and it works. Handheld ones work too. https://www.amazon.co.uk/OBD-II-Engine-System-Diagnostic-Tools/b?ie=UTF8&node=2486228031 Quote Link to comment Share on other sites More sharing options...
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