NO.5 ENGINE STALLS-AFTER START/AT IDLE [MZI-3.7]
NO.5 ENGINE STALLS-AFTER START/AT IDLE (MZI-3.7) DETECTION CONDITIONS AND
POSSIBLE CAUSES
14
(See
STARTER INSPECTION [MZI-
3.7]
.)
Is starting system normal?
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
SYMPTOM DIAGNOSTIC INDEX [MZI-3.7]
.)
{
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-3.7]
.)
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
z
Electrical connector disconnection
z
Open or short circuit in fuel pump body and related wiring harness
z
No battery power supply to PCM or poor GND
z
Inadequate fuel pressure
z
Fuel pump body mechanical malfunction
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:10:05 AM
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