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#1 (permalink) Old 10-14-2007, 12:52 PM
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Default Engine hesitation problems

My wife's 2005 Sorento is throwing 3 OBD codes:

P0453 - Fuel Tank Pressure
P0122 - Throttle Position Sensor
P0205 - Cylinder 5 misfire

The problem started on the interstate while traveling about 70 mph. The engine started vibrating under throttle, but idled ok. She pulled over, waited 10 minutes, and the vehicle started and was able to run without vibration, but now suffers from a loss of power and the check engine light is on.

I assume that all 3 codes are somehow related. Any ideas on what to troubleshoot first or where to start?

Is there a manual for this vehicle? I couldn't find a Haynes or Chilton manual.
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#2 (permalink) Old 10-14-2007, 04:58 PM
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The list of all the codes is in the on line manual.
first code usually indicates a loose fuel cap....are you sure its not gone into a limp home mode because of the misfire...as the cylinders fire in pairs sounds like something damaged the plug ....hope its not injested the butterfly screw.bushing

do you have a code reader only or autotap as you can test the throttle position sensor on that....

sorrry not to be more specific you need to study the manual...
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#3 (permalink) Old 10-14-2007, 05:03 PM
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Where can I order/buy a manual? I called all parts stores within 20 miles, and none had a manual. Is there a place to buy one online?

I had the codes read at Autozone. I don't have a reader but I'm thinking of buying one. Can anyone recommend a good reader? I'd like to be able to check voltages as well as just retrieve and clear codes.
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#4 (permalink) Old 10-14-2007, 05:10 PM
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Manual is on line .its free axcess to the kia manual ...Kia Global Information System (KGIS) the best reader is Autotap......works on a laptop ..any old one will do but check if you need serial or usb
Just put in AutoTap - OBDII Diagnostic Scanner

If its 2005 its under warantee so why not just take it back ??/

Last edited by pistnbroke; 10-14-2007 at 05:17 PM.
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