POSSIBLE CAUSE
Poor fuel quality
Erratic signal to ignition coil
Engine overheating
Throttle body malfunction
Spark plug malfunction
PCV valve malfunction
Improper valve timing due to jumping out of
timing belt
Improper variable valve timing control
operation
Restriction in exhaust system
Intermittent open or short in fuel pump related
circuit
Inadequate fuel pressure
Fuel pump mechanical malfunction
Fuel line restriction or clogging
Fuel leakage from fuel injector
Fuel injector clogging
Erratic signal from accelerator pedal position
sensor
Erratic signal from TP sensor
Intermittent open or short circuit in MAF
sensor, Accelerator pedal position sensor, TP
sensor, IAT sensor and VSS
AT malfunction (AT)
Clutch slippage (MT)
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
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:10 PM
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