Mazda RX8 - Page 87

Disconnect the fuel line quick
release connector and the release
fuel gauge to the fuel line.
Start the engine and run it at idle.
Measure the fuel line pressure at
idle.
Is the fuel line pressure correct at
idle?
(See FUEL LINE PRESSURE
INSPECTION .)
No
Replace the fuel pump unit.
(See FUEL PUMP UNIT
REMOVAL/INSTALLATION .)
After that overhaul or replace the engine.
(See Engine Workshop Manual.)
Yes
Inspect and repair for leakage and/or clogging in the
oil passage at engine.
After that overhaul or replace the engine.
(See Engine Workshop Manual.)
29
Check the oil pipe between the
metering oil pump and the metering
oil nozzle.
Is there air and/or clogging in the
oil pipe?
No
Overhaul or replace the engine.
(See Engine Workshop Manual.)
30
• Verify test results.
! If normal, return to the diagnostic index to service any additional symptoms.
! If the malfunction remains, inspect related the Service Bulletins and/or the On-line Repair
Information and perform the repair or diagnosis.
*
13B-MSP (High Power)
(w) RX8-Engine Troubleshooting
Page 87