Poor Engine Running In High-Speed Range; Exhaust Smoke Is Dirty Or Thick - Linhai M565Li T3 EFI Service Manual

CHAPTER 3 ENGINE
Complaint
Poor engine
running in high-
speed range
Exhaust smoke is
dirty or thick
Symptom and Possible Causes
1. Weak valve spring
2. Worn camshaft
3. Fouled spark plug
4. Insufficient spark plug gap
5. Improper valve timing
6. Faulty ignition coil
7. Weak high pressure oil pump,
resulting in poor fuel supply
8. Dirty air filter
1. Excessive engine oil
2. Worn piston ring
3. Worn valve guide
4. Scored or scuffed cylinder wall
5. Worn valve stem
6. Worn valve stem oil seal
M565Li T3 EFI SERVICE MANUAL 20.0
Remedy
Replace
Replace
Clean or replace
Adjust or replace
Adjust
Replace
Adjust or replace
Clean or replace
Check oil level and drain
Replace
Replace
Replace
Replace
Replace
CHAPTER 3 ENGINE
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