Mazda RX-8 Manual page 112

Connect the WDS or equivalent to
the DLC-2.
Start the engine and run it at idle.
Access the LONG FT1 PID.
Measure the LONG FT1 PID at
idle.
Is the PID value between − − − − 14%
and +14% ?
Visually inspect the exhaust
system part.
22
Is there any deformed exhaust
system part?
Perform the metering oil pump
control inspection.
(See Metering Oil Pump Control
23
Inspection .)
Does the metering oil pump control
operate properly?
Perform the fuel injector (FP1)
(RP1) operation inspection.
(See Fuel Injector Operation
24
Inspection .)
Are the fuel injectors (FP1) (RP1)
operating properly?
Inspect the fuel injectors (FP1)
(RP1) for the following:
(See FUEL INJECTOR
INSPECTION .)
25
Leakage
•
Clogging
•
Injector amount
•
Are the fuel injectors (FP1) (RP1)
normal?
The LONG FT1 PID is out of the
specification.
LONG FT1 PID less than − − − − 14% (too rich):
Inspect the EVAP control system.
•
No
LONG FT1 PID more than +14% (too
lean):
Inspect for air leakage at intake-air
•
system components.
Yes Repair or replace the suspected part.
No Go to the next step.
Yes Go to the next step.
Repair or replace the malfunctioning part
No
according to the inspection results.
Yes Go to the next step.
Repair or replace the malfunctioning parts,
No according to the fuel injector (FP1) (RP1)
operation inspection results.
Yes Go to the next step.
Replace the fuel injector (FP1) (RP1).
No
(See FUEL INJECTOR
REMOVAL/INSTALLATION .)
If the system is normal, go to
Step 27.
If the system is normal, go to
the next step.
(w) RX8-Engine Troubleshooting
Page 63