10.07.2015 Views

general information - Martin Nez

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FUEL SYSTEM AND THROTTLE BODY 5-25Step 3• Turn in all the idle air screws to the complete close position.• Check for difference of vacuum between #1 and #2.• Equalize these two by gradually turning back the air screw onthe higher vacuum side until the vacuum comes down to thelower. Similarly perform the same procedures between #3and #4.• Check for the synchronization adjustment. If the adjustment isnot yet correct, remove each idle air screw and clean themwith a spray-type carburetor cleaner and blow dry with a compressedair.• Also, clean the idle air screw passageways.NOTE:* Slowly turn the idle air screw in clockwise and count the numberof turns until the screw is lightly seated.* Make a note of how many turns were made so the screw canbe reset correctly after cleaning.Step 4Repeat the procedures of Step 2 and Step 3.THROTTLE POSITION SENSOR (TPS) SETTINGAfter all adjustments are completed, check or adjust the TPSsetting condition.(Refer to page 4-19 for TPS setting procedure.)

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