John S...I aint fooling..the DTC is Catalyst (bank 2) below threshold :what does it mean?
#1
John S...I aint fooling..the DTC is Catalyst (bank 2) below threshold :what does it mean?
I'm thinking the A/F mixture has become super free flowing and not creating a proper fuel mixture to the amount of air. Maybe I'm talking out of my butt hole but I need your help. What should I capture for you and I'll Email you my results. Let me know what blocks you want to determine an idea of what I need to purchase. I don't want to waste $ on unnecessary parts. You saw my engine its the same as yours AMU series 5V K04 Turbo- w/ MTM 2.75 "downpipes high flow 100cpsi catalyst and 2.75" cat-back exhaust. BMC CDA w/ aluminum intake 3.50 + g/s@idle 800-810 engine speed and ported TB, MTM ECM chipped (Gen. 1b version right before Gen II) 1020mbar command pressure Boost 1020/30 @intercoolers depends on atmospheric temp has dropped as low as 1000mbar command pressure , TURBOXS DV w/6 washers, removed windshield insulation for better engine bay heat exhaustion, H&R coilovers, neuspeed front and rear swaybars, HRE wheels and Pilot Sports staggered 225/40,255/35.
that's all folks...for now.
that's all folks...for now.
#3
The second o2 does nothing but to watch if the cat is doing its job. I ran with that 02 out for a
month before GIAC fixed it in my chips. Now I dont see any dtc's or the CEL. BTW if the o2 is bad or taking out you will get 3 codes from it.
16523-o2s b1 s2: signal too slow
16524-02s b1 s2: No Activity
17584-o2s correction behind catalyst: b1: limit reached
16523-o2s b1 s2: signal too slow
16524-02s b1 s2: No Activity
17584-o2s correction behind catalyst: b1: limit reached
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