INSPECTION [MZI-3.5]
.)
Then go to Step 18.
No
Go to Step 18.
12
INSPECT FUEL LINE FROM FUEL
PUMP TO FUEL DELIVERY PIPE
z
Visually inspect the fuel line for
any leakage.
z
Is any fuel leakage found?
Yes
Replace suspected fuel line, then go to Step
18.
No
Inspect the low-pressure side fuel filter for
the following:
z
Foreign material or staining inside the
fuel filter Perform the following
actions as a result:
z
If foreign material or staining is found
inside the fuel filter (low-pressure
side), clean the fuel tank and filter.
z
If normal, replace the fuel pump unit.
(see
FUEL PUMP UNIT
REMOVAL/INSTALLATION
[MZI-3.5]
.)
Then, go to Step 18.
13
INSPECT ENGINE
COMPRESSION
z
Inspect the engine compression.
(see
COMPRESSION
INSPECTION [MZI-3.5]
.)
z
Is it normal?
Yes
Go to the next step.
No
Perform an engine overhaul for repairs, then
go to Step 18.
14
INSPECT VARIABLE VALVE
TIMING CONTROL SYSTEM
OPERATION
z
Inspect the variable valve timing
control system operation.
(see
ENGINE CONTROL
SYSTEM OPERATION
INSPECTION [MZI-3.5]
.)
z
Does the variable timing control
Yes
Go to the next step.
No
Repair or replace the malfunctioning part
according to the variable valve timing
control system inspection results, then go to
Step 18.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
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Page 163
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