Mazda RX8 - High Oil Consumption;Leakage

NO.16 HIGH OIL CONSUMPTION/LEAKAGE
16 HIGH OIL CONSUMPTION/LEAKAGE
DESCRIPTION The oil consumption is excessive.
POSSIBLE
CAUSE
• Air cleaner element malfunction (damage, poor installation)
• Improper dipstick
• Improper engine oil viscosity
• Engine internal parts malfunction
• Metering oil pump malfunction
• Improper operation of metering oil pump control system
• Oil leakage from lubrication system parts and them joints (oil pump, oil filter, oil
cooler, housing oil nozzle, manifold oil nozzle etc.)
Diagnostic procedure
STEP INSPECTION RESULTS ACTION
Yes Go to the next step.
1
Inspect for the following:
• External leakage (lubrication
system parts and their joints.)
• Proper dipstick
• Proper engine oil viscosity
• Damaged and/or poor
installation of air cleaner
element
Are all the items normal?
No
Service if necessary.
Repeat Step 1.
Yes
Overhaul the engine and repair or replace the
malfunctioning parts.
2
Perform the metering oil pump
control inspection.
(See Metering Oil Pump Control
Inspection .)
Does the metering oil pump control
properly?
No
Repair or replace the malfunctioning parts,
according to the metering oil pump control
inspection results.
3
• Verify test results.
! If normal, return to the diagnostic index to service any additional symptoms.
! If the malfunction remains
,
ins
p
ect the related Service Bulletins and/or the On-line Re
p
air
(w) RX8-Engine Troubleshooting
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