... OK– ENGINE CONTROLS 1F–291 DAEWOO M-150 BL2Detonation/Spark Knock (Cont’d)Step Action Value(s) Yes No121. Inspect for carbon buildup inside the engine. 2. Remove the carbon with a top engine ... complete?–System OK– ENGINE CONTROLS 1F–297 DAEWOO M-150 BL2ROUGH, UNSTABLE, OR INCORRECT IDLE, STALLINGDefinition: The engine runs unevenly at idle. If the condi-tion is bad enough, the ... operation.Are all checks and needed repairs complete?–System OK–1F–302 ENGINE CONTROLS DAEWOO M-150 BL2DIESELING, RUN-ONDefinition: An engine continues to run after the ignitionswitch is turned OFF.Step...