Running Rich? VCDS Log

[Deleted member 48395]

Following on from my other thread I am now starting to look at another issue.

When I had my MOT done in Feb my Lambda reading was at the maximum (1.03) while the HC was 25ppm (max 250ppm) and CO was also really low (can't remember the reading and left the certificate at home!). I logged a run up to the in-laws yesterday afternoon and I *think* the results are suggesting running rich, lambda sensor knackered or a possible leak in the exhaust system.

Here is a snippet of the log from the run

Can anyone help or suggest anything else I should be logging?

 

[Deleted member 48395]

Full MOT Results:

Fast Idle
CO 0.02% (Max 0.25%)
HC 25ppm (Max 200 ppm)
Lambda 1.03 (0.97 - 1.03)

Natural Idle
0.00% (Max 0.30%)

 

[8bit]

Log block 031 to get proper lambda sensor values and, say, 001 to get RPM (amongst other things). Do a 3rd gear run from about 2000rpm to about 6000, keep the throttle flat on the floor. Post back the results.

Because you've used block 032 you're not seeing the actual lambda measurements and because you haven't done a proper run (as described above) you can't see what the fuel system is doing at maximum engine load under WOT.

 

[ibizacupra]

it would make more sense if you actualloy logged lambda of course

032 is fuel trim.. as is 001, 031 is lambda

 

[Deleted member 48395]

Log block 031 to get proper lambda sensor values and, say, 001 to get RPM (amongst other things). Do a 3rd gear run from about 2000rpm to about 6000, keep the throttle flat on the floor. Post back the results.

Because you've used block 032 you're not seeing the actual lambda measurements and because you haven't done a proper run (as described above) you can't see what the fuel system is doing at maximum engine load under WOT.

Cheers mate, I have just done a run. You will see the 2 attempts to get up to 6k, plus the bits inbetween.

it would make more sense if you actualloy logged lambda of course

032 is fuel trim.. as is 001, 031 is lambda

That it would! still getting to know VCDS and what everything means hands down the best £60 I ever spent.

 

[8bit]

Can you copy and paste the text in rather than screenshots? If you can paste it in as text (use "Advanced" mode when replying and use the CODE tags) then I can do a quick graph of your fuelling.

 

[Deleted member 48395]

Thanks 8bit, I was wondering how I could get the data up in another way. I have included the full run rather than just snippets

Tuesday	29	May	2012	13:04:27											
															
	Group A:	'031				Group B:	'001				Group C:	'002			
		Lambda Factor	Lambda Factor	 	 		RPM	Temperature	Lambda	Bin. Bits		RPM	Load	Time Corr.	Absolute Pres.
	TIME					TIME					TIME				
Marker	STAMP					STAMP	 /min	°C	%		STAMP	 /min	%	 ms	 mbar
	0.69	1	1	 	 	1.33	0	76	0	10110010	0	0	0	0	1012
	2.64	1	1	 	 	3.36	0	76	0	10110010	2.01	0	0	0	1012
	4.68	1	1	 	 	5.4	0	76	0	10110010	4.06	0	0	0	1012
	6.65	1	1	 	 	7.34	0	76	0	10110010	6	0	0	0	1012
	8.69	1	1	 	 	9.32	0	76	0	10110010	7.98	0	0	0	1012
	10.63	1	1	 	 	11.32	0	76	0	10110010	9.99	0	0	0	1009.8
	12.58	1	1	 	 	13.21	0	76	0	10110010	11.96	0	0	0	1012
	14.63	1	1	 	 	15.35	0	76	0	10110010	13.93	0	0	0	1012
	16.77	1	1	 	 	17.51	0	76	0	10110010	16.09	0	0	0	1012
	18.92	1	1	 	 	19.54	0	76	0	10110010	18.23	0	0	0	1012
	20.75	1	1	 	 	21.41	0	76	0	10110010	20.15	0	0	0	1012
	22.7	1	0.852	 	 	23.34	209	76	0	10110110	22.08	0	0	0	1012
	24.66	1	0.904	 	 	25.28	694	76	0	10110110	24.05	1316	18.8	9	268.9
	26.51	1	0.92	 	 	27.23	697	76	0	10110110	25.87	714	18.9	3	320
	28.7	1	0.936	 	 	29.39	714	76	0	10110110	27.97	717	18.8	3	325.1
	30.83	1	0.944	 	 	31.53	708	76	0	10110110	30.09	717	18.2	3	317.4
	32.84	1	0.952	 	 	33.47	729	75	0	10110110	32.22	723	17.8	3	310
	34.7	1	0.96	 	 	35.39	726	74	0	10110110	34.06	717	17.8	3	310
	36.63	1	0.968	 	 	37.69	708	74	0	10110110	36.02	708	17.3	3	303.6
	39	1	0.976	 	 	39.69	714	73	0	10110110	38.36	714	16.8	3	297.6
	41.03	1.028	0.984	 	 	41.65	714	73	0	10110110	40.33	723	17.1	3	300
	43	1.016	0.992	 	 	43.68	703	73	5	10111110	42.39	717	16.7	3	294.6
	45.03	0.996	1	 	 	45.67	726	74	5	10111110	44.34	720	17.7	3	307.5
	46.99	1	1	 	 	47.7	726	74	6	10111110	46.35	726	16.9	3	296.4
	48.99	1.012	1	 	 	49.63	853	74	1	10111010	48.32	723	16.5	3	291.2
	50.88	1.02	1	 	 	51.61	706	74	5	10111110	50.26	984	30.1	5	465.5
	52.91	1.032	1	 	 	53.58	686	74	6	10111110	52.3	708	21.4	4	357
	54.94	0.876	1	 	 	55.6	735	75	4	10111110	54.29	675	22.9	4	375.9
	56.97	1.02	1	 	 	57.61	762	75	8	10111110	56.3	771	27.9	4	448.8
	58.94	0.996	1	 	 	59.61	1046	75	2	10111010	58.25	744	21.7	3	360
	61.02	1	1	 	 	61.7	1693	75	3	10111010	60.31	1411	40.1	7	597.1
	62.94	1.108	0.996	 	 	63.59	1270	76	0	10110010	62.34	1981	30.1	5	457.2
	64.9	1.084	1	 	 	65.49	965	76	3	10111110	64.28	794	13.7	2	251
	66.76	1.072	1	 	 	67.45	984	76	2	10111010	66.13	900	13.6	2	247
	68.74	1.02	1	 	 	69.44	1626	76	6	10111010	68.07	1164	70.4	11	965.2
	70.64	1	1	 	 	71.2	2024	77	5	10110000	70	1822	52.3	8	735.8
	72.59	0.952	1	 	 	73.28	1613	77	1	10111010	71.92	1462	25.9	1	321.3
	74.56	0.984	1	 	 	75.18	1700	77	8	10111010	73.86	1663	32.6	7	508
	76.43	0.98	1	 	 	77.07	1800	77	0	10111010	75.89	1727	30.1	4	459
	78.27	0.896	0.9	 	 	78.96	2159	77	0	10111000	77.7	1872	71.4	7	904.2
	80.24	0.908	0.9	 	 	80.91	2652	77	3	10111000	79.66	2346	77.7	13	999.6
	82.28	0.896	0.9	 	 	82.89	3162	78	2	10111000	81.63	2822	79	13	999.6
	84.14	0.888	0.9	 	 	84.73	3570	78	-3	10111000	83.5	3289	80.1	13	995.7
	86.09	0.908	0.9	 	 	86.75	4013	78	-3	10111000	85.4	3708	79.8	12	991.8
	87.95	0.892	0.9	 	 	88.59	4453	79	-4	10111000	87.32	4166	86.4	13	979.2
	89.99	0.904	0.904	 	 	90.6	4794	79	-7	10111000	89.29	4503	85.9	13	958.8
	91.91	0.892	0.9	 	 	92.54	5080	79	-9	10111000	91.24	4896	87.7	9	969
	93.89	1.2	0.992	 	 	94.6	4590	79	0	10110000	93.19	5080	16.9	12	288.8
	95.83	1.2	0.996	 	 	96.47	2075	79	0	10110000	95.21	4318	21.9	0	426.7
	97.88	1.2	0.996	 	 	98.58	1892	79	0	10110010	97.22	1581	14.2	0	252
	99.84	1.144	0.996	 	 	100.55	1829	79	0	10111010	99.25	1843	16.7	0	288.8
	101.84	0.996	1	 	 	102.5	1938	79	-1	10111010	101.23	1880	70.6	10	938.4
	103.79	1.016	1	 	 	104.48	2083	79	2	10111000	103.14	1989	75.2	11	999.6
	105.81	1.028	1	 	 	106.53	2235	79	-2	10111000	105.14	2142	74.7	11	989.4
	107.82	1.072	0.984	 	 	108.4	2268	79	0	10110000	107.2	2268	64.8	10	944.9
	109.66	1.2	0.996	 	 	110.25	2142	80	0	10110001	109.04	2218	12.3	0	522.1
	111.52	1.2	0.996	 	 	112.2	1857	80	0	10110011	110.84	2100	22.6	0	377.4
	113.42	0.924	1	 	 	114.04	1764	81	-3	10111011	112.78	1785	20.9	0	371.5
	115.29	0.988	1	 	 	115.88	1836	81	-3	10111011	114.67	1778	50.8	6	705.6
	117.07	1.004	1	 	 	117.67	1950	81	3	10111011	116.47	1887	67.8	11	920.9
	118.95	0.992	0.988	 	 	119.59	1915	81	-3	10111011	118.34	1923	18.8	8	352.8
	120.79	0.996	1.008	 	 	121.43	1950	81	-3	10111011	120.14	1923	39.6	4	665.3
	122.65	0.956	1	 	 	123.27	1938	81	0	10110011	122.01	1966	44.2	6	741.7
	124.71	0.96	1	 	 	125.33	1908	82	-2	10111011	124	1950	24.7	2	351.4
	126.47	0.96	0.996	 	 	127.14	1887	82	-4	10111011	125.84	1880	15.5	6	261
	128.16	1.056	0.996	 	 	128.82	1850	82	0	10110011	127.67	1872	17.7	5	316.2
	130.18	1.2	0.996	 	 	130.87	1764	82	0	10110011	129.49	1814	18.7	0	322.6
	132.16	1.2	0.996	 	 	132.82	1594	82	0	10110011	131.55	1683	14.5	0	255
	134.14	0.976	1	 	 	134.78	1683	82	2	10111011	133.47	1581	52.3	6	715.7
	136.08	0.96	1	 	 	136.73	2050	82	3	10111001	135.47	1406	17.2	4	306
	138.12	1.2	1	 	 	138.84	1966	81	0	10110011	137.4	2091	12.9	4	230
	140.12	1.2	1	 	 	140.79	1260	82	0	10110111	139.47	1865	15.9	0	271.1
	142.11	1.2	1	 	 	142.76	680	81	9	10111111	141.5	747	13.6	2	257.9
	144.04	1.016	1	 	 	144.68	686	81	7	10111111	143.45	689	13.9	3	264.2
	145.9	0.92	1	 	 	146.54	1104	82	3	10111011	145.29	697	14.8	2	276.6
	147.85	1.004	1	 	 	148.42	1822	82	2	10111011	147.24	1372	56.4	9	792.5
	149.72	0.996	1	 	 	150.42	2530	82	5	10111001	149.06	2083	73.4	11	975.4
	151.65	0.956	1	 	 	152.21	1938	82	1	10111011	151	1900	28.6	1	341.4
	153.46	1.004	0.996	 	 	154.08	2083	82	7	10111001	152.85	2008	45.9	7	663
	155.33	0.976	0.996	 	 	156.08	2091	82	5	10111001	154.69	2108	30.6	6	477.5
	157.5	0.988	1	 	 	158.21	2300	81	2	10111001	156.78	2142	58.9	9	867
	159.55	0.992	0.992	 	 	160.24	2499	81	-3	10111001	158.91	2397	58.1	10	846.6
	161.58	1.044	0.992	 	 	162.29	1865	82	0	10110011	160.88	2581	70.9	10	965.2
	163.63	0.996	1	 	 	164.3	1908	82	0	10111011	162.99	1908	51.5	8	734.4
	165.53	0.996	0.996	 	 	166.17	1930	82	-3	10111011	164.94	1930	54.9	9	792.5
	167.48	1.024	1.004	 	 	168.17	1887	81	1	10111011	166.83	1915	48.3	7	680.7
	169.46	1	1.004	 	 	170.18	1800	82	-7	10111011	168.79	1865	46.2	7	772.2
	171.5	1.004	1.004	 	 	172.12	1734	82	-8	10111011	170.82	1771	20.1	4	352.8
	173.46	0.988	0.992	 	 	174.12	1822	82	-1	10111011	172.76	1800	16.1	2	268.9
	175.3	0.94	0.992	 	 	175.84	1843	82	0	10110011	174.68	1850	37.1	6	675.4
	177.14	1.2	0.996	 	 	177.73	1757	82	0	10110011	176.48	1814	7.1	0	492
	178.96	1.2	0.996	 	 	179.6	1339	82	0	10110011	178.34	1650	13.3	0	238.1
	180.95	1.2	1	 	 	181.63	678	82	11	10111111	180.31	833	13.2	0	248
	182.98	0.996	1	 	 	183.58	723	82	8	10111011	182.27	694	16.4	3	297.6
	184.8	0.988	1	 	 	185.44	2066	82	-2	10111001	184.19	965	67.6	4	955
	186.77	1.2	0.996	 	 	187.37	1683	83	0	10110011	186.16	2682	39.3	10	657.8
	188.62	1.008	1	 	 	189.31	2397	83	-1	10111001	187.97	1807	76	9	999.6
	190.65	0.988	0.992	 	 	191.24	3200	82	-5	10111001	190	2682	77.5	11	989.4
	192.62	0.956	0.996	 	 	193.32	2259	82	4	10111001	191.93	2834	17.5	8	294.6
	194.57	1.036	0.992	 	 	195.31	2295	82	7	10111001	193.93	2309	44.7	7	637.6
	196.71	1.2	0.996	 	 	197.37	2032	82	0	10110001	195.99	2250	12.7	3	226.3
	198.78	0.968	0.996	 	 	199.45	2032	82	-2	10111001	198.07	2008	12	2	210.8
	200.77	1.02	0.996	 	 	201.43	2134	82	3	10111001	200.1	2058	24.3	4	394.7
	202.73	0.968	0.984	 	 	203.38	2235	82	5	10111001	202.12	2167	16.1	3	267.8
	204.66	0.992	1.008	 	 	205.27	2159	82	0	10110001	204.05	2200	11.1	2	205
	206.63	1.2	0.996	 	 	207.25	2075	82	0	10110001	205.92	2134	11.3	0	526.2
	208.58	1.2	0.996	 	 	209.17	1989	82	0	10110011	207.89	2050	20.7	0	340
	210.42	1.2	0.996	 	 	211.06	1887	81	0	10110011	209.78	1958	14.6	0	254
	212.35	1.2	0.996	 	 	212.94	1785	81	0	11110011	211.7	1850	14.3	0	253
	214.27	1.2	0.996	 	 	214.91	1663	81	0	10110011	213.55	1743	12.9	0	234.6
	216.16	1.2	0.996	 	 	216.88	1544	81	0	10110011	215.55	1632	12.4	0	226.3
	218.08	1.2	1	 	 	218.76	1438	81	0	11110011	217.49	1500	12.3	0	226.3
	220.08	0.968	0.984	 	 	220.81	1479	81	2	11111011	219.42	1444	15.2	2	264.2
	222.11	0.98	0.992	 	 	222.78	1600	81	10	11111011	221.48	1530	28.2	5	436.9
	223.98	1	1.008	 	 	224.6	1727	80	4	11111011	223.34	1632	31.4	5	489.6
	225.9	1	1.004	 	 	226.58	2075	81	0	11111001	225.29	1814	55.4	6	856.8
	227.93	0.912	0.9	 	 	228.66	2601	81	2	11111001	227.27	2226	76.7	13	999.6
	230.04	0.904	0.9	 	 	230.68	3111	81	2	11111001	229.45	2772	78.5	13	999.6
	231.89	0.892	0.9	 	 	232.5	3570	81	-3	11111001	231.32	3251	79.6	13	995.7
	233.81	0.9	0.9	 	 	234.47	4048	81	-5	11111001	233.19	3723	79.6	12	991.8
	235.73	0.9	0.9	 	 	236.48	4503	81	-5	11111001	235.11	4182	87.2	13	985.5
	237.9	0.932	0.908	 	 	238.56	5009	81	-8	11111001	237.2	4692	87.7	13	981.6
	239.79	0.884	0.9	 	 	240.35	5355	81	-10	11111001	239.17	5111	87.7	13	985.5
	241.5	0.8	0.752	 	 	242.05	5639	80	0	11110001	240.85	5457	87.4	12	985.5
	243.28	0.8	0.764	 	 	243.87	5842	80	0	11110001	242.61	5690	87.2	16	981.6
	245.12	0.888	0.996	 	 	245.77	5566	80	0	11110001	244.49	5893	86.2	15	979.2
	247.13	1.2	0.992	 	 	247.79	4554	80	0	10110001	246.48	5262	24.5	0	340
	249.07	1.2	0.992	 	 	249.67	3427	79	0	10110000	248.44	4182	23.4	0	316.2
	250.95	1.2	0.992	 	 	251.63	2397	79	0	10110000	250.33	3036	21.4	0	335.3
	253.02	1.2	0.996	 	 	253.74	778	79	0	11110110	252.3	2016	14.7	0	255
	255	1.048	1	 	 	255.67	700	79	7	11111110	254.33	744	17.1	2	303.6
	257.01	1.016	1	 	 	257.67	700	80	9	11111111	256.33	697	14.3	3	271.1
	258.96	0.868	1	 	 	259.57	1082	80	1	11111011	258.34	541	31.8	3	346.8
	260.8	0.992	1.004	 	 	261.46	2226	80	6	11111001	260.16	1372	50	8	714
	262.85	1.2	0.992	 	 	263.47	1530	81	0	11110011	262.19	2772	49	8	685.4
	264.71	1.048	1	 	 	265.3	2125	81	-1	11111001	264	1707	69.4	10	928.2
	266.51	1.12	0.996	 	 	267.14	1637	81	0	11110011	265.9	2346	69.6	11	924.6
	268.49	1.016	1	 	 	269.12	1637	81	4	11111011	267.79	1594	31.1	4	469.2
	270.54	0.992	1.004	 	 	271.13	1938	82	2	11111011	269.84	1720	60.2	8	843.3
	272.33	0.988	0.992	 	 	272.97	2108	82	3	11111001	271.74	2008	43.7	8	650.2
	274.22	0.98	0.996	 	 	274.92	1657	82	0	11110011	273.6	2142	29.6	5	514.1
	276.11	1.016	1.008	 	 	276.76	1843	82	4	11111011	275.51	1700	43.3	7	619.8
	278.01	1.032	1.008	 	 	278.62	1900	83	0	10110011	277.32	1892	53.6	8	775.2
	279.8	1.2	0.996	 	 	280.44	1892	82	0	11110011	279.19	1938	13.9	2	247
	281.65	0.968	0.988	 	 	282.25	1915	83	-9	11111011	281.06	1923	24.1	1	355.6
	283.54	1.028	0.996	 	 	284.25	1973	83	-1	11111011	282.92	1950	27.9	4	428.4
	285.57	0.996	0.996	 	 	286.26	1981	83	-2	11111011	284.96	1966	15.9	2	268.9
	287.51	1.2	0.996	 	 	288.13	1923	83	0	10110011	286.92	1973	12.2	2	222.6
	289.33	1.2	0.996	 	 	290.02	1300	83	0	11110011	288.69	1850	14.7	0	257.9
	291.34	1.2	1	 	 	292.05	666	83	7	11111111	290.69	790	11.9	2	228.2
	293.38	1.02	1	 	 	294.06	672	83	5	11111111	292.75	692	13.3	2	257.9
	295.39	0.984	1	 	 	296.01	1456	83	1	11111011	294.72	663	15.2	2	283.4
	297.23	1.012	1	 	 	297.88	1865	83	2	10110011	296.57	1676	46.2	7	657.8
	299.16	0.96	0.996	 	 	299.85	1650	83	4	11110011	298.51	1556	13.8	2	230.9
	301.18	1.2	0.996	 	 	301.85	1700	83	0	11110011	300.57	1727	12.5	2	225.4
	302.99	0.984	1	 	 	303.63	1908	83	0	11111011	302.43	1757	42.7	3	591.6
	304.92	0.992	1	 	 	305.61	2209	83	2	11111001	304.26	2000	76	11	1005.8
	306.97	0.924	1	 	 	307.54	1683	83	0	11111011	306.33	2176	19.6	9	335.3
	308.82	0.996	0.996	 	 	309.38	1764	83	3	11111011	308.15	1700	51.3	8	715.7
	310.66	0.988	0.992	 	 	311.32	1857	83	3	11111011	310.05	1800	46	8	663
	312.63	1	1.004	 	 	313.36	1700	83	0	10110011	311.96	1900	38.5	6	571.2
	314.68	1.004	0.996	 	 	315.36	1518	83	0	10110011	314.02	1538	14	1	235.2
	316.72	1.2	0.996	 	 	317.47	1450	83	0	10110011	315.99	1494	12.1	0	225.4
	318.85	1.2	0.996	 	 	319.5	1383	83	0	10110011	318.18	1433	12.4	0	231.8
	320.83	1.2	0.996	 	 	321.5	1350	83	0	10110011	320.21	1377	12.6	0	236.2
	322.72	1.2	0.996	 	 	323.34	1300	83	0	11110011	322.14	1339	12.4	0	235.2
	324.7	1.008	0.984	 	 	325.31	1290	83	7	11111011	324	1310	19.3	3	306
	326.64	0.988	1	 	 	327.28	1383	83	1	11111011	325.96	1310	53.5	9	751.8
	328.62	1.028	1.008	 	 	329.31	1334	83	7	11111111	327.9	1355	12.5	3	241.9
	330.6	1.104	1.008	 	 	331.24	1275	83	14	11111011	330.01	1290	11	2	211.7
	332.54	0.952	1.008	 	 	333.22	1406	83	1	11111011	331.83	1255	28.6	3	413.3
	334.62	1.028	1	 	 	335.24	1506	83	0	10110011	333.96	1473	42.7	8	622.2
	336.69	1.2	1	 	 	337.43	700	83	0	11110111	335.96	1438	12.5	0	233.7
	338.74	1.06	1	 	 	339.48	680	83	2	11111111	338.1	706	15	3	278.9
	340.8	0.992	1	 	 	341.48	680	83	1	11111111	340.15	669	15.6	3	287.7
	342.79	1.148	1	 	 	343.46	1181	83	13	11111011	342.1	900	13.3	3	247
	344.75	0.96	1	 	 	345.38	1518	83	4	11111011	344.15	1155	29.7	2	410
	346.62	0.98	1	 	 	347.3	1981	83	-1	11111011	345.94	1686	47.4	9	667.9
	348.59	1.036	0.988	 	 	349.28	2150	83	1	11110001	347.94	2150	42.3	6	629.9
	350.61	1.2	0.996	 	 	351.31	1438	83	0	11110011	349.97	1355	12.4	1	233.7
	352.69	1.004	0.98	 	 	353.37	1433	83	7	11111011	351.98	1433	16.5	2	260
	354.6	1.088	1	 	 	355.23	1339	83	7	11111111	353.98	1383	16.5	3	285.6
	356.56	1.08	0.992	 	 	357.16	1195	83	15	11111111	355.9	1279	10.7	2	206.6
	358.43	1.004	1	 	 	359.1	1058	83	15	11111111	357.75	1168	10.5	2	204
	360.46	1.016	1	 	 	361.13	914	83	18	11111111	359.74	1004	11.1	2	213.4
	362.39	0.96	1	 	 	362.98	692	83	11	11111111	361.75	813	11.9	2	227.2
	364.25	0.92	1	 	 	364.95	683	83	7	11111111	363.61	686	14.7	3	275.4
	366.26	0.94	1	 	 	366.87	675	83	4	11111111	365.57	675	14.4	2	272.2
	368.12	0.956	1	 	 	368.74	663	83	2	11111111	367.52	689	14.4	2	272.2
	370.05	0.98	1	 	 	370.71	680	83	-1	11111111	369.44	678	13.6	2	260
	372.1	0.984	1	 	 	372.75	683	83	-4	11111111	371.41	683	15.4	2	284.5
	374.21	0.996	1	 	 	374.9	689	83	-2	11111111	373.44	686	15.1	2	280
	376.4	0.992	1	 	 	377.04	678	83	-2	11111111	375.73	680	13.8	2	264.2
	378.38	1	1	 	 	379.07	675	83	-2	11111111	377.74	678	14.1	2	267.8
	380.33	0.996	1	 	 	381.05	678	83	1	11111111	379.69	689	14.4	2	271.1
	382.36	0.996	1	 	 	383.05	678	84	0	11111111	381.72	678	14.1	2	267.8

 

[8bit]

Here you go:

I've converted the lambda readings into air fuel ratio (lambda x 14.7). Doesn't look bad to me, that was taken from your second run as the engine will be closer to operating temp. Starts off around 14.7:1 (which is normal), does get a little richer around 2000rpm (maybe 13.5:1) and again at about 5300 (maybe about 12.8:1).

Just noticed yours is a 1.6 N/A model. For a turbo'd Cupra or LCR that wouldn't be far off the mark, they're supposed to richen under a bit of load (if mapped) and then a bit more at high RPM to keep cylinder temps down. My LCR has Revo stage 1 and passed MOT no bother with no emissions issues, pretty sure it runs a bit richer than yours.

I know that doesn't say whether yours is running normal for a 1.6 or not though!

 

[Deleted member 48395]

Cheers mate, much appreciated!

I guess it's back to the drawing board as to what could have caused the Lambda reading at the MOT.

 

[8bit]

Do 1.6's have a MAF sensor?

 

[Deleted member 48395]

No there is a MAP sensor.

 

[Deleted member 48395]

Looks like the throttle body clean fixed this issue too. I took it to a garage earlier for a Fast Idle Test to see what it was reading and got the following results:
CO: 0.013
HC: 15
Lambda: 1.009

Cheers for the input guys.

 

[8bit]

Cool, that's more like it