Mazda RX8 - Page 22

Inspect the fuel injectors for the
following:
(See FUEL INJECTOR INSPECTION .)
• Leakage
• Clogging
• Injection amount
Are the injectors normal?
No Replace suspected fuel injector.
Yes Go to Step 25.
18
Inspect the engine compression.
(See COMPRESSION INSPECTION .)
Is it normal?
No Go to the next step.
Yes Go to the next step.
19
Apply the engine oil to front and rear
rotors from plug hole approx. 3

5 ml
{3

5 cc, 0.11

0.16 fl·oz} .
Inspect the engine compression.
(See COMPRESSION INSPECTION .)
Is it normal?
No Go to Step 21.
Yes
Remove carbon or foreign
material inside the engine using
the carburetor cleaner.
20
Clean the spark plugs.
Crank the engine.
Does the engine start?
No Go to the next step.
Yes Go to the next step.
21
Perform the metering oil pump control
inspection.
(See Metering Oil Pump Control
Inspection .)
Does the metering oil pump control
operate properly?
No
Repair or replace the
malfunctioning part according to
inspection results.
After that overhaul or replace the
engine.
(See ENGINE COOLANT
TEMPERATURE (ECT)
SENSOR INSPECTION .)
After that overhaul or replace the
engine.
(See FUEL LINE PRESSURE
INSPECTION .)
Is fuel line pressure normal?
Yes
Go to
the
next
step.
No Replace the fuel pump unit.
(w) RX8-Engine Troubleshooting
Page 22