Mazda RX8 - Page 90

• Vacuum connection
• Air cleaner element
• Fresh air duct
• Air cleaner
• No air leakage from
intake-air system
• No restriction of intake-air
system
• Blockage of intake-air
system (between MAF
sensor and intake ports)
• MAF sensor installation
• Exhaust manifold
(leakage, damaged)
• Fuel quality (e.g. proper
octane, contamination,
winter/summer blend)
• Tire pressure
Are all the items normal?
No
Service if necessary.
Repeat Step 2.
Yes
DTC is displayed:
Go to the applicable DTC inspection.
(See DTC TABLE .)
3
Connect the WDS or equivalent
to the DLC-2.
Turn the ignition switch to the
ON position (Engine off).
Retrieve any DTCs.
Are there any DTCs displayed?
No
No DTC is displayed:
Go to the next step.
Yes
Go to the symptom troubleshooting "No.17
Cooling system concerns - Overheating".
(See NO.17 COOLING SYSTEM
CONCERNS-OVERHEATING .)
4 Is the engine overheating?
No Go to the next step.
5 Yes Go to the next step.
(w) RX8-Engine Troubleshooting
Page 90