before starting.
The battery is in normal condition.
POSSIBLE CAUSE
Erratic signal to ignition coil
Vacuum leakage
Poor fuel quality
Starting system malfunction
Spark plug malfunction
Air leakage from intake-air system
Erratic signal from CKP sensor
Erratic signal from CMP sensor
Improper air/fuel mixture ratio control
Air cleaner restriction
Improper operation of electronic throttle
control system
PCV valve malfunction
Inadequate fuel pressure
Purge solenoid valve malfunction
MAF sensor contamination
Incorrect MAF sensor GND voltage
Restriction in exhaust system
EGR valve malfunction
Pressure regulator malfunction (built-in fuel
pump unit)
WARNING:
The following DIAGNOSTIC PROCEDURE
TABLE contains the fuel system diagnosis
and repair procedures. Read the following
warnings before servicing the fuel system:
Fuel vapor is hazardous. It can easily
ignite, causing serious injury and
damage. Always keep sparks and
flames away from fuel.
Fuel line spills and leakage are
dangerous. Fuel can ignite and cause
serious injuries or death and
damage. Fuel can also irritate skin
and eyes. To prevent this, always
complete "BEFORE SERVICE
PRECAUTION" and "AFTER SERVICE
PRECAUTION" described in this
article.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:09 PM
Page 21
© 2005 Mitchell Repair Information Company, LLC.
