DIAGNOSTIC PROCEDURE
ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK,
HESITATION/STUMBLE, SURGES DIAGNOSTIC PROCEDURE TABLE
skin and eyes. To prevent this, always
complete "BEFORE SERVICE
PRECAUTION" and "AFTER SERVICE
PRECAUTION" 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
Air cleaner
element
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
Ignition wiring
Fuel quality (such
as proper octane,
contamination,
winter/summer
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 63
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