• Proper routing of and no
damage to vacuum lines
• No air leakage from
intake-air system
• Engine mount installation
condition (loose)
Are all the items normal?
No
Service if necessary.
Repeat Step 4.
Yes
Go to the applicable DTC inspection.
(See DTC TABLE .)
5
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 Go to the next step.
Yes Go to the next step.
6
Perform the drive-by-wire control
system operation inspection.
(See Drive-by-wire Control
System Inspection .)
Does the drive-by-wire control
system work properly?
No
Repair or replace the malfunctioning part
according to the drive-by-wire control
system operation inspection results.
Yes
Inspect evaporative emission control
system.
7
Disconnect the vacuum hose
between the purge solenoid valve
and the intake manifold at quick
release connector.
Plug the opening end of the
vacuum hose.
Drive the vehicle.
Does the engine condition
improve?
No Go to the next step.
8 Yes Go to the next step.
(w) RX8-Engine Troubleshooting
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