car sputtering

2004 KIA OPTIMA
120,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MATTHEW CREAGER
  • MEMBER
  • 1 POST
My 2004 kia optima le sputters when it is wet outside. I have already replaced the plugs and wires. It stops after being driven for awhile. speedometer also quit working.
Dec 1, 2010 at 6:35 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DR LOOT
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 2,311 POSTS

The transmission is computerized and can not work properly if the speedometer does not work


VEHICLE SPEED SENSOR
Fig. 63: Exploded View OF Vehicle Speed Sensor
Courtesy of KIA MOTORS AMERICA, INC.
Apply gear oil sparingly to the speedometer driven gear shaft and insert the shaft.
Install the spring pin in such a way the slit does not face the gear shaft.
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Dec 2, 2010 at 6:36 AM
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