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Sctx4 solved my CEL problem,it'll disable the rear 02's...has tune for LTH along with 93 Oct. removes speed limiter and AFM..all included with the sctx4 with nothing else to buy..You can also return it to the stock tune
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 . OBX LTH,Rotofab,Magnuson Heartbeat.AEM wideband, HP Tuners |