Mathematical Problems in Engineering / 2013 / Article / Tab 1

Research Article

Simultaneous-Fault Diagnosis of Automotive Engine Ignition Systems Using Prior Domain Knowledge and Relevance Vector Machine

Table 1

Sample single faults of engine trouble reflected by ignition patterns.

Case numberSymptom or possible cause

1Retarded ignition timing
2High resistance in secondary circuit
3Partially broken spark-plug cable
4Defective spark plug
5Narrow spark-plug gap
6Misfire due to extremely lean mixture
7Carbon fouled in spark plug
8Engine knock
9Rich mixture
10Wide spark-plug gap