06 Amanti running rough with codes - Kia Forum
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#1 (permalink) Old 02-09-2011, 08:56 PM
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Default 06 Amanti running rough with codes

My girlfriend's Amanti recently started running rough. It has 125k miles on it. It idles fine, but at initial acceleration, it runs rough and skips. It seems to do OK after it gets to cruising speeds. If you accelerate a little, it will skip again. Took it to Advance Auto to find that we're getting 2 codes:

P2122
P0304

I've done some research, but wanted to get some input before I dig in. It just hit me though, should I have cleared the codes to make sure one of them is not old? The codes don't seem to be related.

With P2122, can I replace the TPS myself? I'm not a mechanic by any means, but have done my own minor car repairs. Will the dealer need to do anything with the computer? I read where there was a TSB for this code on another model of Kia. Is it possible we're running into the same TSB?

With P0304, I was going to inspect the coil packs. Otherwise, I was planning on starting with a tune-up (plugs and wires). Any other suggestions?

A couple of other things I've noticed:

-When cold, the power steering does not work well. After the car warms up, it seems to work fine.

-When driving, I seem to hear a low "roaring" noise coming from the engine area. It's not terribly obvious, but it doesn't sound right to me.

Any input is greatly appreciated.
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#2 (permalink) Old 02-09-2011, 09:23 PM
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Well, lets try to tackle things one at a time.

P2122- We've had quite a few problems with the acceleration position sensor (APS). I have replaced quite a few of them. They are very easy to replace. But before you replace it check the connector first. Initial problems with this sensor began when dielectric grease was packed in the connector at the factory. It's worth a shot to check it, and remove the grease/clean the connector clear the code in recheck. It may fix the issue, but then again it may not.

P0304- Plugs are recommended at 60K on this 3.5L engine. I'd recommend replacing the wires while you're already in there. Especially since the plenum has to be removed. The coil is on cylinder 4. It may be faulty, but misfires can be caused by a lot of different things.

Power steering- Not sure what the issue may be here. How's the fluid? How's the belt? Any noises with the steering when hot or cold?

Roaring noise- You hear this when driving, how about when in park with the engine running? There could be a lot of things causing this. It could be caused by a wheel bearing, tires, or even engine noise (in my experience I've found lots of noise generated from the idler and tensioner pulleys on the alternator belt).
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#3 (permalink) Old 02-12-2011, 02:20 PM
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Thanks for the info. I've started to dig into this today. Couple of questions. Where is the APS located? Can someone provide a pic of it? I see a couple of connectors / devices leading into the Throttle Body, but not sure which one is connected to the APS. Where can I find a diagram of the ignition system? Which coil is #4?
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#4 (permalink) Old 02-12-2011, 06:45 PM
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The APS is located on the back of the passenger side strut tower. Once you remove the engine compartment cover on that side you can't miss it. It's a sensor with a big spring and the throttle cable goes right to it. The cylinder 4 coil is the middle one. As for the diagram of the ignition system, go to Kia Global Information System (KGIS) and register for free. All the service info you'll need is on there.
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#5 (permalink) Old 02-13-2011, 01:02 AM
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Thanks!! That site was very helpful. Printed off several purdy pictures that will help out a lot. One question though. The P2122 code that we're getting is for the TPS (Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input), yet you mention problems with the APS. Which should I be checking, or should I check 'em both?
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#6 (permalink) Old 04-19-2011, 08:25 PM
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Just wanted to provide an update on this. The problem turned out to be the #4 coil. To troubleshoot, I swapped coil #4 with coil #6 and had the codes cleared. When I had the codes checked again, it followed the coil to #6 (P0306). I swapped out that coil, and all is well now.
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#7 (permalink) Old 04-20-2011, 10:48 AM
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Good work. Thanks for the update. What did you find with the other issues? (P2122, power steering issue, roaring noise)

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#8 (permalink) Old 05-07-2011, 02:55 PM
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Fixed the P2122 code by cleaning the connectors for both the APS & TPS.

I haven't messed with the Power Steering issue.

I just had time to look into the roaring noise today. Put it on jack stands, put the car in drive and listened while excelerating. I'm hearing a grinding noise on the driver's side. Sounds like metal on metal. Hubs/bearings? Are they serviceable, or sealed?

Also, should there be a little play/slop in the axles when I turn the wheels by hand?
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#9 (permalink) Old 08-17-2011, 09:18 PM
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ok guys, sry i dont mean to hijack the thread or anything but iv has the same problem with the with my 2004 amanti with code 2122m but i am also throught other codes to,
p2127
p0222
p1195
p2127
p1178
p1118
p0123
p0102

i know its alot of codes. im tryin to work my way through this. so what you guys think? it will start n idle roughly n it wont go over 2200 RPMs. i also cant get it to go faster than 30 mph. someone has already replace the TPS and the APS. does it need to be ajusted mabye? anyone have some specs on volts? any help would be GREATLY appreciated.

Jake
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#10 (permalink) Old 08-09-2013, 08:54 AM
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Quote:
Originally Posted by n2fordmuscle View Post
My girlfriend's Amanti recently started running rough. It has 125k miles on it. It idles fine, but at initial acceleration, it runs rough and skips. It seems to do OK after it gets to cruising speeds. If you accelerate a little, it will skip again. Took it to Advance Auto to find that we're getting 2 codes:

P2122
P0304

I've done some research, but wanted to get some input before I dig in. It just hit me though, should I have cleared the codes to make sure one of them is not old? The codes don't seem to be related.

With P2122, can I replace the TPS myself? I'm not a mechanic by any means, but have done my own minor car repairs. Will the dealer need to do anything with the computer? I read where there was a TSB for this code on another model of Kia. Is it possible we're running into the same TSB?

With P0304, I was going to inspect the coil packs. Otherwise, I was planning on starting with a tune-up (plugs and wires). Any other suggestions?

A couple of other things I've noticed:

-When cold, the power steering does not work well. After the car warms up, it seems to work fine.

-When driving, I seem to hear a low "roaring" noise coming from the engine area. It's not terribly obvious, but it doesn't sound right to me.

Any input is greatly appreciated.
My 2006 Amanti had the misfire sensor go bad causing a similar issue.
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