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Discussion Starter #1
Hi all.

I have a 2005 Sedona EX with 80,000 miles. Friday it started giving my wife problems. It would sputter and sometimes stall out. I took it to Advanced Auto and they read the codes. The codes were P0343 and P0305. P0343 is camshaft position sensor high input. I replaced the cam shaft position sensor. I figured the misfire was a related problem.

Now the van runs worse than before. It sputters and stalls a lot. I took it back to Advanced Auto to have the codes read. Now the codes are P0342 and P0300 through P0306, misfire on every cylinder. P0342 is cam shaft position sensor low input.

Did I do something wrong installing the new sensor? I just unbolted the old and bolted on the new. Is there a specified clearance between the sensor and back of the gear? I didn't see any shims when I took off the old and the new one didn't come with shims. I tried searching and can't find any info as far as clearances.

I don't have a scan tool. Any suggestions before I take it to the mechanic? The timing belt looks good. I know it is past time to change it but that ins't in the cards at this time.

Thanks
Mike
 

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1999 Kia Sephia, 2016 Kia Optima SXL, 2019 Kia Soul Plus
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Hi all.

I have a 2005 Sedona EX with 80,000 miles. Friday it started giving my wife problems. It would sputter and sometimes stall out. I took it to Advanced Auto and they read the codes. The codes were P0343 and P0305. P0343 is camshaft position sensor high input. I replaced the cam shaft position sensor. I figured the misfire was a related problem.

Now the van runs worse than before. It sputters and stalls a lot. I took it back to Advanced Auto to have the codes read. Now the codes are P0342 and P0300 through P0306, misfire on every cylinder. P0342 is cam shaft position sensor low input.

Did I do something wrong installing the new sensor? I just unbolted the old and bolted on the new. Is there a specified clearance between the sensor and back of the gear? I didn't see any shims when I took off the old and the new one didn't come with shims. I tried searching and can't find any info as far as clearances.

I don't have a scan tool. Any suggestions before I take it to the mechanic? The timing belt looks good. I know it is past time to change it but that ins't in the cards at this time.

Thanks
Mike
Check the blades on the camshaft sprocket and make sure they're not bent. Have you checked and verified that the timing is all in time? Unbolting the old one and installing the new seems to give you little chance of installing it incorrectly. At this point, checking and validating the wiring to the connector seems like a good start. You may have a break or corrosion in the wire and causing resistance for the proper voltage/signal for the sensor to work correctly. Let us know what you find.
 

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Discussion Starter #3
Thanks for the tips. Is there a guide to checking the timing somewhere? Do I need a scan tool for that? I'll check out the wiring and look at the sprocket and let you know.

Mike
 

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Discussion Starter #4
Quick question. Testing the wire harness requries unplugging the PCM connector. Where is that located? I can't seem to find it and I can't find any info searching the forums or on KGIS.

Thanks
Mike
 

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Ok an update

Wires check OK. Sprocket is fine. I removed the new CMPS and reinstalled the old one. The van runs better. Been driving it around town and it only stalled once. So far the check engine light hasn't come on. Once it does I'll see what code I get.

Mike
 

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2008 SpectraSX, 2014 Optima LX,2006 Jeep Liberty, Linux Mint Mate
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Where did you get the replacement sensor? It sounds like it's either the wrong part or a poor replacement that does not work...The original may also be bad (like you thought before).. I'd try another one...possibly an OEM (dealer part) or at least a better quality one. I found on rockauto.com spark coils for a 2004 Mercury 4.6L engine ranging from $15 to $50 (OEM). Makes you wonder about the quality of the $15 one.
Dave
 

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Discussion Starter #7
Thanks Dave. I got the sensor from Advanced Auto. I told them what I wanted and they ordered it from their warehouse. Don't know if it was a cheap or expensive one. I'll try another source for an OEM.

Mike
 

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Discussion Starter #8
Thanks all. It seems the P0343 problem went away and now I have stalling issues. I started a new thread about the stalling problem. Please close this thread and I will continue in the new one.

Thanks
Mike
 
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