Mazda MX-5 Miata Sport 2007 Manual page 1996

2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
DIAGNOSTIC PROCEDURE
ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK,
HESITATION/STUMBLE, SURGES DIAGNOSTIC PROCEDURE TABLE
STEP
1
2007 Mazda MX-5 Miata Sport
INSPECTION
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
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.
RESULTS
Yes Go to the next step.
No Service if necessary.
Repeat Step 1.
ACTION