Mazda RX-8 Workshop Manual page 412

INSPECT A/F SENSOR
9
Inspect the A/F sensor.
(See AIR FUEL RATIO (A/F) SENSOR
INSPECTION
Is there any malfunction?
VERIFY CURRENT INPUT SIGNAL STATUS OF
10 MAF SENSOR
Start the engine.
[13B-MSP].)
YesInspect the following:
Air suction at following
due to cracks, damages
and loosing parts:
NOTE:
Engine speed may
change when rust
penetrating agent is
sprayed on the air
suction area.
Loose installation of A/F
sensor
Exhaust gas leakage
between exhaust
manifold and A/F sensor
If there is no malfunction detected,
replace the A/F sensor.
(See AIR FUEL RATIO (A/F) SENSOR
REMOVAL/INSTALLATION
If there is a malfunction detected, repair
or replace the malfunctioning part
according to the inspection results.
Go to Step 24.
No Go to the next step.
YesGo to Step 12.
No Go to the next step.
From air
cleaner
to
throttle
body
From
throttle
body to
intake
manifold
Vacuum
hoses
[13B-MSP].)