DIAGNOSTIC PROCEDURE
LACK/LOSS OF POWER-ACCELERATION/CRUISE DIAGNOSTIC PROCEDURE TABLE
complete "BEFORE SERVICE
PRECAUTION" and "AFTER SERVICE
MANUAL" described in this article.
(See BEFORE SERVICE
PRECAUTION [LF] .)
(See AFTER SERVICE PRECAUTION
[LF] .)
CAUTION:
Disconnecting/connecting quick
release connector without cleaning it
may cause damage to fuel pipe and
quick release connector. Always
clean quick release connector joint
area before
disconnecting/connecting, and make
sure that it is free of foreign material.
STEP
INSPECTION
RESULTS
ACTION
1
Verify the following:
Vacuum
connection
Restriction in
intake-air system
(such as air
cleaner element,
fresh air duct)
No air leakage
from intake-air
system
No restriction of
intake-air system
Proper sealing of
intake manifold
and components
attached to intake
manifold; such as
EGR valve
Fuel quality (such
as proper octane,
Yes
Go to the next step.
No
Service if necessary. Repeat
Step 1.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:10 PM
Page 70
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