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Kia Sedona Starting/Stalling/Idling Problems

159 messages,  Last post on Nov 22, 2009 at 5:35 PM

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#149 of 159 Re: Some News on The Instrument Control Module and Not Starting [clark_kent] by lavrishevo Aug 26, 2009 (8:16 am)
Replying to: clark_kent (Aug 25, 2009 4:55 pm) Good post Clark. As far as the MPG goes you will see an improvement with additional mileage, but if I may offer some advice.   First, tire pressure is always a little gain. I suggest right around 36 PSI. My tires have a max pressure of 44 but with just 3 - 5 extra PSI you will have less rolling resistance and hence better MPG and longer tire life.   Second, is go with a K&N washable air filter and if your slightly brave remove the air-restricting filter right before the MAF sensor in the intake tube. Very easy to do, here is my instructions: http://townhall-talk.edmunds.com/direct/view/.f16f1df   Third, Go with a full synthetic oil like Mobile One or similar. Synthetic oil not only last longer but lubricates much better and has shown to improve gas mileage as well as improve power. Same can be said about the K&N.   Fourth, and really this is the most important, is driving habits. The ONLY way your going to get 18/25 or better which, I achieve on my 2006, is by keep your foot off the gas pedal. Letting the engine shift right around 2000 RPM's and keeping the your speed limit at 65 MPH or under with not fast starts will give your great gains in MPG. Not easy to do with a powerful engine that is fun to use. Give this a try for a week and see your results. Remember though, it is all about nice and easy starts and stops in traffic and letting the engine shift at low RPM's. I have seen as high as 30 MPG in ideal conditions. Also, Edmund's highest mileage on the 2006 long-term test was 29 MPG 25,000 miles. Seems the 3.8's take a while to break in.
#150 of 159 Re: Key will not go into the ignition.... [likelleh] by alanzdba Sep 04, 2009 (10:58 am)
Replying to: likelleh (Aug 06, 2009 3:55 pm) Similar to our 2007 Hyundai Entourage (same vehicle). Key goes IN but won't turn. Sometimes takes 30 minutes. Have tried putting the key in and out multiple times, turning the key over, using a different key, and remote starting it first - no difference. Took it twice and they said "no problem". On the 3rd visit I was finally able to show the Service Manager the issue and he was able to replicate it - but said there was nothing he could do. I finally went to the GM who contacted Director of Service who is contacting Hyundai Field Engineering Services about this. We cannot afford for my wife to get stuck someplace if I am travelling. The Dealer treied to tell me it wasn't covered by the warranty. They changed their mind. Replies to this message: likelleh (Sep 04, 2009 11:58 am)
#151 of 159 Re: Key will not go into the ignition.... [alanzdba] by likelleh Sep 04, 2009 (11:58 am)
Replying to: alanzdba (Sep 04, 2009 10:58 am) I have heard of the key problem not turning. It's actually a lock mechanism in the car and there is a little cover you can pop to the right of the shift to unlock the steering lock to get the key to turn. I just can't get the key in period. It's like the small lock bar in the cylinder get stuck. Still very frustrating on both issues when you can't start the car when you want to. My dealer is replacing the cylinder and has to co ordinate with a lock smith to replace. Right now they are trying to wait till I call them because they will be picking up the tab for telling me the first few times nothing was wrong.
#152 of 159 Re: engine problems [mattone] by cgd Sep 09, 2009 (5:04 am)
Replying to: mattone (Apr 15, 2009 5:09 pm) Hi-we have had very similar problems with our 2006 Sedona. ESC-OFF light comes on and the accelerator does not function. Stopping and restarting the car seems to get things going. The codes that came up were P2106, P1295 and P2135. On 8/25 the dealership replaced the TPS and reprogrammed the ECM. Things were good until a few days ago, and then the same thing happened again (!).   Did the grounding problem that you mentioned fix the problem? Have you had any more of these issues with your Sedonas since April? Replies to this message: jerryb_kc (Sep 09, 2009 8:57 am)
#153 of 159 Re: engine problems [cgd] by jerryb_kc Sep 09, 2009 (8:57 am)
Replying to: cgd (Sep 09, 2009 5:04 am) When we had the problem, the dealership replaced both the TPS and the actual gas peddle assembly. Apparently the peddle assembly includes some electronic sending unit that connects by wire to the engine. That was over a year ago and the problem has not re-occurred.
#154 of 159 2006 Kia Sedona - Hesitation by regi_dog Sep 16, 2009 (12:52 pm)
Was recently driving on the highway (with my two infant children) when while going up a slight incline the van started to miss and hesitate. I pulled over-rev'd the engine hoping it would clear out any richness-this did not work. I shut the engine off - waited a few seconds and restarted-still the engine felt like it was missing. Finally after allowing the engine to sit (not running) for a minute, I restarted it and it ran fine. Drove it for approximately another 30 miles will no problem.. This has occurred twice with this vehicle. Has anyone had a similar problem?? Replies to this message: jfinc2 (Sep 18, 2009 11:25 am) eal4noles (Nov 11, 2009 6:27 am)
#155 of 159 Re: 2006 Kia Sedona - Hesitation [regi_dog] by jfinc2 Sep 18, 2009 (11:25 am)
Replying to: regi_dog (Sep 16, 2009 12:52 pm) I have a 2007 Kia Sedona that over the course of the past 2 months has had the check engine light go on and off and sometimes when the van is not fully warmed up will act as if it is miss firing. I took the van to a local mechanic and asked him to do a full tune up but he would not do a tune up instead he said he ran a diagnostic test and told me it was the throttle position sensor that needed replaced. I guess the mechanic took me on this because that did not fix the problem. I just had another scan test done today and it showed miss fires in cylinders 1, 2 and 3. Replies to this message: eal4noles (Nov 11, 2009 6:27 am)
#156 of 159 THROTTLE POSITION SENSOR 2005 SEDONA by huero Nov 05, 2009 (9:47 am)
Hey check engine light came on no signs of any problems took it to auto zone and they said code read throttle position sensor heres my problem car in texas with buddy and not sure if it will make it home approx. 750 miles nonstop hate to have somebody else work on car also does anybody know where it is located appreciate any help
#157 of 159 Re: 2006 Kia Sedona - Hesitation [jfinc2] by eal4noles Nov 11, 2009 (6:27 am)
Replying to: jfinc2 (Sep 18, 2009 11:25 am) I have a 2005 Kia Sedona and just had a misfire in cylinder 4. We moved the spark plug wires around and it was then a misfire in cylinder 6. The problem was the coil pack. We had that replaced by Kia and it fixed the problem. Unfortunately, there are 3 coil packs and each one costs over $100, without labor costs. So, it is only a matter of time before the other 2 go bad.
#158 of 159 2003 Sedona will turn over but not start by hkington Nov 22, 2009 (1:47 pm)
I have a 2003 Sedona I had to replace the motor in May and now I have had to replace, Cam shaft sensor, Crank shaft sensor, Ig failure sensor, and it still is acting up. Sometimes it will start and sometimes it will not. I can go out and it will start fine and go somewhere and be in the store for 5 min and come out and it will not start, I’ll wait a few min. or and hour then it will start. I can go out in the morning and it will not start then try it a few hrs later and it will start. NOW it will not start at all. It will turn over but not start. :mad I am soooo over this... Can anyone help Replies to this message: gatotten (Nov 22, 2009 5:35 pm)

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