ENGINE CONTROLS 1F–291
DAEWOO M-150 BL2
Detonation/Spark Knock (Cont’d)
Step Action Value(s) Yes No
12
1. Inspect for carbon buildup inside the engine.
2. Remove the carbon with a top engine cleaner.
Follow the instructions supplied with the product.
3. Check the basic engine parts such as the
camshaft, the cylinder head, the pistons, etc. for
excessive wear.
4. Replace any excessively worn parts.
Is the procedure complete?
–
Go to Step 13
–
13
1. Check the exhaust gas recirculation valve for
proper operation.
2. Check the air intake system for proper operation.
3. Check the torque converter clutch operation and
transaxle shift points.
4. Check the service bulletins for Programmable
Read Only Memory (PROM) updates.
5. Check the cylinder compression.
6. Repair or replace any faulty components.
Are all checks and repairs complete?
–
System OK
–
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