NO.16 HIGH OIL CONSUMPTION/LEAKAGE [LF]
POSSIBLE CAUSE & DESCRIPTION (HIGH OIL CONSUMPTION/LEAKAGE)
rattle?
10
Inspect for fuel
saturation inside
charcoal canister.
Is excess amount of
liquid fuel present in
canister?
Yes
Replace the charcoal canister.
No
Inspect the fuel tank vent
system.
Then, go to the next step.
(See
FUEL TANK
INSPECTION [LF]
.)
11
Visually inspect the
exhaust system part.
Is there any deformed
exhaust system part?
Yes
Replace the part.
No
Go to the next step.
12
Inspect the three-way
catalytic converter.
(See
EXHAUST
SYSTEM
INSPECTION [LF]
.)
Is the three-way
catalytic converter
normal?
Yes
Inspect the EGR system.
(See
EGR CONTROL
SYSTEM INSPECTION
.)
No
Replace the three-way catalytic
converter.
13
Verify test results.
If normal, return to diagnostic index to service any additional
symptoms.
(See
ENGINE SYMPTOM TROUBLESHOOTING [LF]
.)
If malfunction remains, inspect related Service Bulletins and/or On-
line Repair Information and perform repair or diagnosis.
If vehicle is repaired, troubleshooting completed.
If vehicle is not repaired or additional diagnostic information
is not available, replace the PCM.
(See
PCM REMOVAL/INSTALLATION [LF]
.)
16
HIGH OIL CONSUMPTION/LEAKAGE
DESCRIPTION
Oil consumption is excessive.
POSSIBLE CAUSE
PCV valve malfunction
Improper dipstick
Improper engine oil viscosity
Engine internal parts malfunction
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:10 PM
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© 2005 Mitchell Repair Information Company, LLC.
