ENGINE TROUBLESHOOTING (CONT)
TEST OR INSPECTION
17. WHITE OR BLUE SMOKE FROM EXHAUST (ENGINE USING EXCESSIVE LUBE OIL)
Step 1. Check for engine oil past specified level.
Remove engine oil to specified level.
Step 2. Check fuel ratio control.
Step 3. Excessive oil consumption caused by engine misfiring or running rough.
See MALFUNCTION no. 3.
Step 4. Inpsect turbocharger for oil seal defect.
Oil will be present in air inlet manifold if oil seal leaks.
Remove fuel injection nozzle and crank engine. Check for coolant in pistons.
Inspect valve guides for wear.
Inspect piston rings for wear.
Inspect cylinder liners for wear.
If rings are replaced then liners must be replaced.