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Showing results for tags 'FG Gradual Power Loss'.
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Hoping somebody might be able to help. This is the story so far: FG Auto had its first custom tune 6 weeks ago nothing fancy just a K&N Filter and 290 kw tune. The results were awesome, nice smooth loud spool and able to break traction on even light throttle. All going really well. 2 weeks later the MIL on the dash was triggered. Not wanting to break anything I pulled over and flashed back to stock and called my tuner who advised it is likely to be the o2 sensor.So all good. When I tried flashing back to the tune the Xcal 3 failed to download and locked me out of the custom tune altogether. Tuner advised to flash back to stock then reload. I had a few voltage issues but managed to get it back to stock then back into the custom tune. Another 2 weeks went by and the MIL light came on, but this time I ignored it and it went away after a day. I also started to notice the spooling at low revs was less audible and the power was less impressive and I was no longer able to break traction even under WOT. I get a little bit of boost at the top end of the rev range or under load at 100km/h. It feels more like a NA engine and not much better in performance than the stock tune. The exhaust/ engine noise is also a bit louder. I have also noticed each time I park the car the fan comes on nearly every time now. Over the last 2 weeks I have changed my fuel to rule out a bad batch, I have checked the hoses that I could see and everything seems to be still attached, I would tighten the clamps but they have changed the clamp type from the BA and I can't work out how to tighten them. Any ideas on what it could be would be appreciated.
