2004 Kia Optima lack of power

2004 KIA OPTIMA
170,000 MILES • 2.5L • 4 CYL • FWD • AUTOMATIC
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STL573
  • MEMBER
  • 3 POSTS
When I put car into gear it has little to no power
Apr 11, 2015 at 3:05 PM
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ED-WEEZY21
  • CAR REPAIR CONTRIBUTOR
  • 248 POSTS
Check fluid level in transmission and scan for codes.
Apr 11, 2015 at 3:33 PM
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STL573
  • MEMBER
  • 3 POSTS
Fluids are fine and there aren't any codes
Apr 12, 2015 at 8:42 AM
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STL573
  • MEMBER
  • 3 POSTS
Here is what I've done
Spark plugs and wires
Tps sensor
Ignition misfire sensor
Mass airflow sensor
Crankshaft sensor
New coil packs
Apr 12, 2015 at 8:49 AM
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ED-WEEZY21
  • CAR REPAIR CONTRIBUTOR
  • 248 POSTS
I myself owned an 03 optima and ran into the same problem and had to replace the transmission. I would take it to a tranny shop and see if they can verify. The clutch packs may be worn out inside or some other internal defect.
Apr 12, 2015 at 9:11 AM