Mazda RX8 - Page 34

Yes
Go to the symptom troubleshooting "No.13
Knocking/pinging/detonation-
Acceleration/cruise".
(See NO.13
KNOCKING/PINGING/DETONATION-
ACCELERATION/CRUISE .)
8
Does the engine
knock/ping/detonate?
No Go to the next step.
Yes Go to the next step.
9
Verify the following:
• Vacuum connection
• Air cleaner element
• No air leakage from
intake-air system
• Blockage at intake-air
system (between MAF
sensor and intake ports)
• No restriction of intake-air
system
• Jet air mixing system
passage (clogging or
leakage)
• Proper sealing of intake
manifold
• Ignition wiring
• MAF sensor installation
• Fuel quality: proper
octane, contamination,
winter/summer blend
• Electrical connections
• Smooth operation of
throttle valve
Are all the items normal?
No
Service if necessary.
Repeat Step 9.
(w) RX8-Engine Troubleshooting
Page 34