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2007 kia optima loses acceleration while driving but if i stop turn car off and restart it it drives fine the rest of the day. Check engine light comes on but goes back off . then today for the 1st time it would not start without a jump. It has not stalled just loses acceleration but will regain it normally after its stopped and restarted and of course when i try to take it to auto store to get code read the engine light goes off before i get there so they cant pull a code. Bought car a month ago it started doing this a week later.
How long has your 2007 Kia Optima had this problem?
A few weeks
1 Reply
Hello, pulling a code is not what is needed most. At times like these, having a trained technician with experience road test your vehicle while the problem is occurring can be invaluable in helping provide diagnostic direction -- which components and areas to be looking at based on the symptoms occurring. I would honestly first address the no start without a jump, as basic electrical issues starting with the 12 volt battery and the charging system for this battery can be the key to solving many mysteries.