Mazda RX8 - Page 40

NOTE:
• The following test is for
13B-MSP (High Power).
Go to the next step for
13B-MSP (Standard
Power).
Perform the APV control
inspection.
(See Auxiliary Port Valve (APV)
Control Inspection .)
Does the APV control operate
properly?
No
Repair or replace the malfunctioning parts,
according to the APV control inspection
results.
Yes Repair or replace the malfunctioning parts.
27
Is air leakage felt or heard at
intake-air system components
while racing the engine to a
higher speed?
No Go to the next step.
Yes
Inspect and repair for leakage and/or
clogging in the oil passage at engine.
28
Check the oil pipe between the
metering oil pump and the
metering oil nozzle.
Is there air and/or clogging in oil
pipe?
No Go to the next step.
Yes Go to the next step.
29
Perform the fuel injector
operation inspection.
(See Fuel Injector Operation
Inspection .)
Does the fuel injector operate
properly?
No
Repair or replace the malfunctioning part
according to the inspection results.
Yes
Inspect the engine oil condition (viscosity,
amount deterioration).
30
Inspect fuel injectors for the
following:
(See FUEL INJECTOR
INSPECTION .)
• Leakage
• Clogging
• Injector amount
Are injectors normal?
No Replace the suspected fuel injector.
31 Inspect the engine compression. Yes Visually inspect the exhaust system part.
(w) RX8-Engine Troubleshooting
Page 40