Fault Diagnosis of Car Engine by Using a Novel GA-Based Extension Recognition Method

Table 3

The engine fault data and fault types (partial samples).

Number	Temperature				Exhaust			10.5 multiple frequencies	Fault; number	Fault types
	𝑇1	𝑇2	𝑇3	𝑇4	CO (%)	HC (ppm)	CO2 (%)
11	207	288	213	82	0.11	40	14.21	2	1	Normal
66	313	258	240	152	0.03	0	12.89	2	5	The second cylinder not fuel injection
89	276	221	245	84	0.18	50	12.82	2	7	The fourth cylinder not fuel injection
102	305	279	233	95	2.11	100	12	1	8	The fifth cylinder not fuel injection
127	392	263	246	116	2.9	100	13.53	2	10	The sixth cylinder not ignition cylinder
152	372	237	254	115	2.89	180	13.47	2	12	The fourth cylinder not ignition cylinder
175	364	257	237	111	2.94	370	13.12	2	14	The second cylinder not ignition cylinder
195	260	301	233	131	0.06	50	14.49	2	16	Oxygen sensor malfunction