idle probe volts too low?

[aviel131]

my idle probe volts is too low and i am running too rich?
what can cause that?
checked air mess its 3g/s

Marker	TIME	Group 7 - Field 1
	STAMP	Probe volts - 0-1V
		V
	0	0.16
	0.26	0.165
	0.53	0.205
	0.8	0.735
	1.06	0.755
	1.33	0.74
	1.6	0.73
	1.86	0.7
	2.12	0.64
	2.37	0.545
	2.62	0.165
	2.89	0.17
	3.15	0.19
	3.42	0.27
	3.68	0.735
	3.95	0.745
	4.21	0.73
	4.47	0.7
	4.73	0.685
	4.98	0.54
	5.25	0.16
	5.5	0.165
	5.75	0.26
	6.01	0.715
	6.3	0.725
	6.56	0.715
	6.83	0.725
	7.08	0.715
	7.33	0.695
	7.58	0.68
	7.83	0.695
	8.09	0.705
	8.35	0.71
	8.61	0.71
	8.86	0.7
	9.11	0.7
	9.38	0.69
	9.65	0.68
	9.91	0.58
	10.17	0.125
	10.44	0.125
	10.7	0.135
	10.95	0.15
	11.2	0.45
	11.46	0.705
	11.73	0.7
	11.99	0.645
	12.24	0.13
	12.49	0.145
	12.75	0.16
	13.01	0.725
	13.29	0.735
	13.56	0.725
	13.83	0.675
	14.09	0.355
	14.36	0.125
	14.6	0.13
	14.86	0.145
	15.13	0.165
	15.37	0.18
	15.63	0.205
	15.88	0.69
	16.12	0.74
	16.38	0.71
	16.65	0.375
	16.9	0.145
	17.16	0.145
	17.44	0.17
	17.7	0.195
	17.97	0.2
	18.25	0.2
	18.49	0.715
	18.75	0.765
	19.01	0.75
	19.26	0.67
	19.53	0.17
	19.77	0.16
	20.02	0.16
	20.28	0.215
	20.54	0.725
	20.81	0.725
	21.08	0.15
	21.33	0.145
	21.61	0.16
	21.88	0.235
	22.14	0.73
	22.4	0.68
	22.66	0.345
	22.92	0.155
	23.18	0.155
	23.43	0.18
	23.68	0.19
	23.93	0.395
	24.18	0.735
	24.44	0.73
	24.68	0.155
	24.93	0.155
	25.2	0.18
	25.46	0.705
	25.74	0.755
	25.99	0.575
	26.25	0.155
	26.5	0.155
	26.76	0.175
	27.02	0.21
	27.27	0.22
	27.52	0.395
	27.77	0.76
	28.03	0.74
	28.29	0.17
	28.56	0.185
	28.81	0.195
	29.07	0.705
	29.33	0.63
	29.58	0.175
	29.83	0.18
	30.08	0.195
	30.33	0.25
	30.59	0.68
	30.84	0.735
	31.09	0.73
	31.34	0.6
	31.59	0.2
	31.84	0.18
	32.1	0.18
	32.37	0.375
	32.62	0.75
	32.88	0.74
	33.14	0.735
	33.4	0.725
	33.66	0.725
	33.92	0.69
	34.18	0.22
	34.43	0.165
	34.68	0.175
	34.93	0.2
	35.18	0.205
	35.44	0.195
	35.69	0.185
	35.93	0.185
	36.19	0.19
	36.44	0.19
	36.69	0.19
	36.94	0.2
	37.19	0.21
	37.44	0.245
	37.69	0.74
	37.94	0.755
	38.19	0.745
	38.44	0.69
	38.69	0.4
	38.94	0.18
	39.19	0.175
	39.45	0.2
	39.71	0.745
	39.97	0.765
	40.22	0.76
	40.47	0.735
	40.73	0.725
	40.99	0.705