Mazda RX-8 Workshop Manual page 715

WARNING:
The following troubleshooting flow chart contains fuel system diagnosis and repair
procedures. Read the following warnings before servicing the fuel system:
CAUTION:
Diagnostic procedure
STEP INSPECTION
1 Does the engine
knock/ping/detonate?
2 Verify the following:
External fuel
shut off or
accessory (such
as kill switch,
alarm.)
Fuel quality (e.g.
proper octane,
contamination,
winter/summer
blend)
No air leakage
Improper ignition timing
Fuel vapor is hazardous. It can easily ignite, causing serious injury and
damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause
serious injuries or death and damage. Fuel can also irritate skin and eyes.
To prevent this, always complete "BEFORE SERVICE PRECAUTION" and
"AFTER SERVICE PRECAUTION" described in this manual. (See
SERVICE PRECAUTION
[13B-MSP].)
Disconnecting/connecting quick release connector without cleaning it may
possibly cause damage to fuel pipe and quick release connector. Always
clean quick release connector joint area before disconnecting/connecting,
and make sure that it is free of foreign material.
RESULTS
Yes
No
Yes
No
[13B-MSP].) (See AFTER SERVICE PRECAUTION
Go to the symptom troubleshooting "NO.13
KNOCKING/PINGING/DETONATION-
ACCELERATION/CRUISE".
(See NO.13 KNOCKING/PINGING/DETONATION-
ACCELERATION/CRUISE
Go to the next step.
Go to the next step.
Service if necessary.
Repeat Step 2.
BEFORE
ACTION
[13B-MSP].)