Mazda RX8 - Page 56

! Metering oil pump malfunction
• Leakage or clogging in oil pipe
• Leakage or clogging in oil nozzle
• Excessive engine mechanical loss
• Metering oil pump improper operation (in fail-safe mode)
• A/C system operation is improper
• Spark leakage from high-tension leads
• Spark plug malfunction
• Improper spark plug heat range
• Ignition coil malfunction
• Improper ignition timing
WARNING: The following troubleshooting flow chart contains fuel system diagnosis and
repair procedures. Read the following warnings before servicing the fuel system:
• Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage.
Always keep sparks and flames away from fuel.
• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries
or death and damage. Fuel can also irritate skin and eyes. To prevent this, always
complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR
PROCEDURE" described in this manual.
(See BEFORE REPAIR PROCEDURE .)
(See AFTER REPAIR PROCEDURE .)
CAUTION:
• Disconnecting/connecting quick release connector without cleaning it may possibly
cause damage to fuel pipe and quick release connector. Always clean quick release
connector joint area before disconnecting/connecting, and make sure that it is free of
foreign material.
Diagnostic procedure
STEP INSPECTION RESULTS ACTION
Yes
Go to the symptom troubleshooting "No.13
Knocking/pinging/detonation-
Acceleration/cruise".
(See NO.13
KNOCKING/PINGING/DETONATION-
ACCELERATION/CRUISE .)
1
Does the engine
knock/ping/detonate?
No Go to the next step.
2 Verify the following: Yes Go to the next step.
(w) RX8-Engine Troubleshooting
Page 56