Mazda RX8 - Page 49

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 GND
• Open circuit between ignition
switch and ignition coil
• Open circuit between ignition
coils terminal C and PCM
terminal 2Z, 2AA, 2AC or
2AD
Yes
Spark plug is wet or covered with
carbon:
Inspect for fuel leakage from the
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
carbon or grayish white?
No
Install spark plugs in 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 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 49