Silece2k6 Posted August 7, 2014 Share Posted August 7, 2014 Hi guys. I need your help with my hks Sld It's a 96' jspec 6spd (ttc mod) Yesterday I changed my 1st Cat against a decat Today I installed a hks fcd to run Boost at 1.0-1.1 bar BUT! - It holds Boost over 1.0bar without fuelcut (checked in 4. Gear) (afr 12-13) - but if I drive slowly at 60kmh for example and then I give full throttle at 1.500-4.000 U/min the afr climbed up to 17+ If Boost comes up at 4.000u/min then the afr is about 12.5 - 13. I can't drive with low revs and slow speed without bad lean afr. Maybe u have an idea? Regards from Germany Link to comment Share on other sites More sharing options...
Justin Bieber Posted August 7, 2014 Share Posted August 7, 2014 I had a very similar problem, every time my car was spooling in ttc and it was climbing to 4000rpm the AFR's went through the roof, it was a fault with the HKS FCD. I got around the problem by removing it and fitting a SARD ECU that had the fuel cut already removed. Link to comment Share on other sites More sharing options...
Silece2k6 Posted August 7, 2014 Author Share Posted August 7, 2014 Hi. I removed this trash now! All fine atm Did I get a "fake HKS FCD" or is it with all of them? Link to comment Share on other sites More sharing options...
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