Mazda RX8 - Page 37

Yes Repair the suspected high-tension leads.
17
Inspect for cracks on the high-
tension leads.
Are there any cracks on the high-
tension leads?
No Go to the next step.
Yes
Go to the next step.
If the symptom occurs with the A/C on, go
to Step 23.
18
Is a strong blue spark visible at
each disconnected high-tension
lead while cranking the engine?
No
Inspect for the following:
• Open or short circuit in ignition coil
• Open circuit in high-tension leads
• Open circuit between ignition coil
connector GND terminal and body
GND
• Open circuit between ignition switch
and ignition coil
• Open circuit between ignition coil
terminal E and PCM terminal 2Z,
2AA, 2AC or 2AD
Yes
Spark plug is wet or covered with
carbon:
Inspect for fuel leakage from the fuel
injector.
Spark plug is grayish white:
Inspect for clogged fuel injector (FP1)
(RP1).
19
Inspect the spark plug condition.
Is the spark plug wet, covered
with the carbon or grayish white?
No
Install spark plugs on the original positions.
Go to the next step.
Yes Go to the next step.
20
Perform the fuel pump speed
control operation inspection.
(See Fuel Pump Speed Control
Operation Inspection .)
Does the fuel pump speed control
operate properly?
No
Repair or replace the malfunctioning parts,
according to the fuel pump speed control
operation inspection results.
21 Yes Go to the next step.
(w) RX8-Engine Troubleshooting
Page 37