2004 Kia Optima engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2004 Kia Optima — 5% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2004 kia optima. The contact was driving 35 mph when the vehicle lost power. The contact was able to drive the vehicle to the dealer for diagnostic testing after receiving a jump start to the battery. The dealer confirmed that the crank shaft sensor needed to be replaced. The…”
filed Dec 5, 2011
“Tl* the contact owns a 2004 kia optima. The contact was driving 70 mph when the vehicle stalled without warning. He was able to restart the vehicle but the failure recurred shortly after. The vehicle was not taken for diagnosis or repairs. The manufacturer was contacted who advised the contact to…”
filed Feb 16, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
PS539 · Service Bulletin/Repair Instructions · issued Mar 2, 2018Kia: intermittent mil on with no fault code stored; information about dtc p1330. Provides information relating to certain vehicles. In affected vehicles an intermittent short to ground in a circuit only intended for…
TSB-068 · Service Bulletin/Repair Instructions · issued May 1, 2010Kia: ecm upgrade with tp sensor replacement-mil on with dtc p2135/p0638. Information related to ecm software and tp sensor upgrade on some vehicles with 2.7l engines which may experience a malfunction indicator lamp…
TSB-044 · Service Bulletin/Repair Instructions · issued Nov 1, 2009
Engine and Engine Cooling problems in other Optima years
| Year | Reports | Share |
|---|---|---|
| 2020 Optima | 8 | 6% |
| 2019 Optima | 3 | 1% |
| 2018 Optima | 14 | 6% |
| 2017 Optima | 7 | 3% |
| 2016 Optima | 24 | 3% |
| 2015 Optima | 30 | 3% |
| 2014 Optima | 14 | 2% |
| 2013 Optima | 41 | 3% |
| 2012 Optima | 19 | 2% |
| 2011 Optima | 7 | 1% |
| 2010 Optima | 2 | 3% |
| 2009 Optima | 2 | 2% |
Other reported problem areas on the 2004 Kia Optima
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.