After the last service code has been signaled, the vehicle remains in self-test operation for another 15 seconds before returning to ... If the problem is intermittent, the CHECK ENGINE light will go out; however, the trouble code will remain in memory as long as power is applied. ... A list of GM trouble codes is shown in Fig.
|Title||:||Computerized engine control and diagnostics|
|Author||:||Tom Weathers, Claud C. Hunter|