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Can any tuners make sense of this

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Old 06-13-2004, 08:32 PM
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Default Can any tuners make sense of this

Code:
ID	CYLAIR	INJDC1	INJDC2	FTC	HO2S11	HO2S21	IBPW1	IBPW2	KR	A	ECT	IAT	LONGFT1	LONGFT2	B	MAF	MAP	RPM	SPARKADV	TP	VSS
103	0.31	4	4	22	0.916	0.885	6	6	1.6	CL	79	28	5.5	4.7	CL	18.03	71	863	30	11.4	1
104	0.29	4	4	22	0.92	0.907	6	6	1.6	CL	79	28	5.5	4.7	CL	17.57	74	901	30	11.4	1
105	0.28	5	5	22	0.911	0.92	6	6	1.5	CL	79	28	5.5	4.7	CL	17.64	75	933	30.5	11.4	2
106	0.28	5	5	22	0.911	0.881	6	6	1.5	CL	79	28	5.5	4.7	CL	17.57	74	956	31	11.4	2
114	0.27	6	6	22	0.907	0.846	7	7	1.3	CL	79	28	6.3	5.5	CL	17.56	81	993	27.5	12.9	6
115	0.18	6	6	22	0.933	0.916	6	6	1.2	CL	79	28	6.3	5.5	CL	13.05	77	1088	31	11.8	7
116	0.17	4	4	22	0.903	0.911	5	5	1.2	CL	79	28	6.3	5.5	CL	10.39	68	927	33	3.5	6
117	0.19	3	3	22	0.916	0.907	5	5	1.2	CL	79	28	6.3	5.5	CL	11.01	65	868	30	4.3	6
118	0.18	3	3	22	0.907	0.903	4	5	1.2	CL	79	28	6.3	5.5	CL	11.01	65	919	30	4.3	6
132	0.15	3	3	22	0.916	0.916	4	4	0.9	CL	79	28	6.3	5.5	CL	9.64	52	983	17.5	0.4	6
140	0.16	3	3	22	0.911	0.894	4	4	0.7	CL	79	28	6.3	5.5	CL	9.52	55	921	20	0.4	6
151	0.24	5	5	22	0.907	0.907	5	5	0.4	CL	78	28	6.3	5.5	CL	16.99	72	1046	33.5	10.6	7
152	0.23	4	4	22	0.911	0.872	5	5	0.4	CL	78	28	6.3	5.5	CL	13.64	70	898	32.5	7.5	6
168	0.28	8	8	22	0.916	0.894	6	6	0.1	CL	78	29	7.8	6.3	CL	26.66	65	1446	35	17.3	9
169	0.27	8	8	22	0.924	0.916	6	6	0.1	CL	78	29	7.8	6.3	CL	26.55	65	1458	35	17.3	9
170	0.27	8	8	22	0.916	0.907	6	7	0	CL	78	29	7.8	6.3	CL	26.43	66	1494	34.5	17.3	9
171	0.27	8	8	22	0.911	0.907	6	6	0	CL	78	29	7	5.5	CL	28.21	66	1547	34.5	18.4	10
172	0.26	8	8	8	0.907	0.907	6	6	0	CL	78	29	4.7	3.1	CL	27.77	65	1581	35	18.8	10
196	0.2	5	5	4	0.916	0.894	4	4	0	CL	78	29	8.6	6.3	CL	19.3	45	1447	39	9.8	14
197	0.21	5	5	4	0.938	0.938	4	4	0	CL	78	29	8.6	6.3	CL	19.59	48	1394	38	10.2	14
198	0.23	6	6	4	0.946	0.955	5	5	0	CL	78	29	8.6	6.3	CL	22.08	51	1459	38	10.6	14
199	0.23	6	6	4	0.951	0.951	5	5	0	CL	78	29	8.6	6.3	CL	22.75	54	1465	38	12.2	14
200	0.24	6	6	4	0.942	0.946	5	5	0	CL	78	29	8.6	6.3	CL	22.85	57	1454	37.5	12.2	14
201	0.25	6	6	4	0.929	0.929	5	5	0	CL	78	29	8.6	6.3	CL	24.63	57	1499	37	13.3	14
O2's read 900+ ltrims say we add fuel (lean) and I am getting KR

what gives
Old 06-14-2004, 01:06 PM
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TTT 34 views and not one response
Old 06-14-2004, 01:41 PM
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This looks like a log from a launch for a very short time. I also get knock retard for a brief time like that, but believe it is false knock from drivetrain harshness or something. Why do you care if you get a few degrees false knock that goes away by 10mph?
Old 06-14-2004, 02:29 PM
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This isnt a launch, it is jsut idlin around normal driving if you look at the status i am still in closed loop i just took part of the log and pasted it. Aside from that the o2's are saying the car is running really rich
Old 06-14-2004, 02:47 PM
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Your KR is all in FTC 22 (idle?). Very low RPM,
high advance, moderate-high MAP is a recipe
for ping. Long term trims indicate a significant
lean error being corrected (but O2s show fat,
so history and present time are discrepant).

Believe at idle you have both MAF and the
speed-density tune (VE) factors in play, do
not know your mod list and whether anything
like headers/cam are in the mix (which tend
to want low-RPM VE adjustments to make
idle right). It's just odd, that the LTFTs say
it wants enrichment but the O2s show rich
(which should index trims back down). The
setup may just have too much "swing" to it
(rich or lean, indicated or true, depending
on driving history) to ever be consistently
happy with one stable LTFT set? This is a
thing I suspect about headers, dunno if it
applies.
Old 06-14-2004, 03:05 PM
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My mods are lid/filter, 4.10, Fm 13 230/232 110 +4 no headers, stock manifold and a LM. the car idles with the ac on and doenst do to much surging but i feel its way down on power because of it being so fat but the LTrims are +




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