NO.5 ENGINE STALLS-AFTER START/AT IDLE [LF]
POSSIBLE CAUSE & DESCRIPTION (ENGINE STALLS-AFTER START/AT IDLE [LF])
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 engine
condition while tapping
EGR valve housing.
Does engine condition
improve?
Yes
Replace the EGR valve.
(See
EGR VALVE
REMOVAL/INSTALLATION
[LF]
.)
No
Go to the next step.
15
Inspect the starting
system.
(See
STARTER
INSPECTION [LF]
.)
Is starting system
normal?
Yes
Inspect for loose connectors or
poor terminal contact.
If there is no malfunction,
remove EGR valve and visually
inspect for mechanically stuck
EGR valve.
No
Repair or replace components as
required.
16
Verify test results.
If normal, return to diagnostic index to service any additional
symptoms.
(See
ENGINE SYMPTOM TROUBLESHOOTING [LF]
.)
If malfunction remains, inspect related Service Bulletins and/or On-
line Repair Information and perform repair or diagnosis.
If vehicle is repaired, troubleshooting completed.
If vehicle is not repaired or additional diagnostic information
is not available, Replace the PCM.
(See
PCM REMOVAL/INSTALLATION [LF]
.)
5
ENGINE STALLS-AFTER START/AT IDLE
DESCRIPTION
Engine stops unexpectedly.
A/C system operation is improper
Air leakage from intake-air system parts
Purge solenoid valve malfunction
Improper operation of electronic throttle
control system
EGR valve malfunction
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:09 PM
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© 2005 Mitchell Repair Information Company, LLC.
