NO.21 ENGINE NOISE [LF]
POSSIBLE CAUSE & DESCRIPTION (ENGINE NOISE)
solenoid valve.
(See
PURGE
SOLENOID VALVE
INSPECTION [LF]
.)
Is the solenoid
operating properly?
No
Replace the purge solenoid
valve.
(See
PURGE SOLENOID
VALVE
REMOVAL/INSTALLATION
[LF]
.)
4
Connect the M-MDS or
equivalent to the DLC-
2.
Turn the ignition switch
to the ON position
(Engine off).
Retrieve any DTCs.
Are there any DTCs
displayed?
Yes
DTC is displayed:
Go to the appropriate DTC
inspection.
(See
DTC TABLE [LF]
.)
No
No DTC is displayed:
Inspect charcoal canister for fuel
saturation.
If excess amount of liquid fuel is
present, replace the charcoal
canister.
5
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]
.)
21
ENGINE NOISE
DESCRIPTION
Engine noise from under hood
Squeal, click or chirp noise:
Improper engine oil level
Improper drive belt tension
Generator installation (alignment)
Splash shield or under cover looseness
(splashed water to drive belts)
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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