Mazda RX-8 Manual page 195

fuel pump circuit.
Inspect for clogged fuel line.
If normal, replace the fuel pump
unit.
(See FUEL PUMP UNIT
REMOVAL/INSTALLATION .)
High:
Replace the fuel pump unit.
(See FUEL PUMP UNIT
REMOVAL/INSTALLATION .)
Inspect the spark plug for the
following.
13
Heat range
•
Air gap
•
Is the spark plug normal?
Remove the suspected fuel injector.
Inspect the following:
(See FUEL INJECTOR
INSPECTION .)
14
Resistance
•
Fuel injection volume
•
Are all the above items normal?
Is the air cleaner element free of
15
restrictions?
Perform the spark test.
16
Is a strong blue spark visible at each
spark plug?
Yes Go to the next step.
No Replace the spark plug.
Inspect for an open circuit between the
suspected fuel injector connector
terminal and the PCM connector at the
following terminals:
Front rotor:
For FP1: 2M
•
For FP2*: 3A
•
Yes
For FS: 2G
•
Rear rotor:
For RP1: 2J
•
For RP2*: 3D
•
For RS: 2D
•
Replace the fuel injector.
No
(See FUEL INJECTOR
REMOVAL/INSTALLATION .)
Yes Go to the next step.
No Replace the air cleaner element.
Yes Go to the next step.
Repair or replace the malfunctioning
No
parts.
(w) RX8-Engine Troubleshooting
Page 146