NO.5 ENGINE STALLS-AFTER START/AT IDLE [MZI-3.5]
DESCRIPTION AND POSSIBLE CAUSES
Is there any contamination?
13
Visually inspect the exhaust system
part.
Is there any deformed exhaust system
part?
Yes
Replace the suspected part.
No
Go to the next step.
14
Inspect the starting system.
(see
STARTER INSPECTION
[MZI-3.5]
.)
Is starting system normal?
Yes
Inspect for loose connectors or poor
terminal contact.
No
Repair or replace components as
required.
15
z
Verify test results.
{
If normal, return to diagnostic index to service any additional symptoms.
(See
ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5]
.)
{
If malfunction remains, inspect related Service Bulletins and/or On-line Repair
Information and perform repair or diagnosis.
z
If vehicle is repaired, troubleshooting completed.
z
If vehicle is not repaired or additional diagnostic information is not
available, Replace the PCM.
(see
PCM REMOVAL/INSTALLATION [MZI-3.5]
.)
5
ENGINE STALLS-AFTER START/AT IDLE
DESCRIPTION
z
Engine stops unexpectedly.
z
A/C system operation is improper
z
Air leakage from intake-air system parts
z
Purge solenoid valve malfunction
z
Improper operation of electronic throttle control system
z
No signal from CKP sensor due to sensor, related wire or wrong installation
z
Vacuum leakage
z
Engine overheating
z
Low engine compression
z
Erratic signal to ignition coil
z
Poor fuel quality
z
PCV valve malfunction
z
Air cleaner restriction
z
Restriction in exhaust system
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:27:36 AM
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