test performed inaccurately. (NOTE: Test hook up should be in a straight section of pipe at least 12"
long and not more than 18" from the turbo exhaust outlet).
Damaged or defective muffler.
Clogged or wrong muffler.
Excessive number of bends in exhaust piping.
PROBLEM: Incorrect oil pressure (NOTE: Correct should be 290 kPa (42 PSI) to 448 kPa (65 PSI) at rated engine
speed with engine at normal operating temperature.)
REASON OR CAUSE:
Lube oil pressure regulating valve assembly working improperly.
Clogged or dirty lubricating oil filters.
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