Mazda RX8 - Page 65

Yes
Inspect and repair for leakage and/or
clogging in the oil passage at engine.
After that overhaul or replace engine.
(See Engine Workshop Manual.)
32
Check the oil pipe between the
metering oil pump and the
metering oil nozzle.
Is there any air and/or clogging in
oil pipe?
No
Overhaul or replace the engine.
(See Engine Workshop Manual.)
Yes
Check if the purge solenoid valve sticks
open mechanically.
Inspect the EVAP control system.
33
Disconnect the vacuum hose
between the purge solenoid valve
and the intake manifold at the
quick release connector.
Plug the opening end of vacuum
hose. Start the engine.
Does the engine condition
improve?
No
Inspect for the following:
• Jet air mixing system (clogged or
leakage)
• Primary intake port (deposited
carbon or foreign materials)
• Eccentric shaft position sensor pulse
wheel (damaged, improper
installation)
34
• Verify test results.
! If normal, return to the diagnostic index to service any additional symptoms.
! If malfunction remains, inspect the related Service Bulletins and/or the On-
line Repair Information and perform the repair or diagnosis.
*
13B-MSP (High Power)
(w) RX8-Engine Troubleshooting
Page 65