Question about 2005 Dodge Stratus

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2005 Dodge Stratus ? Camshaft Position Sensor causing problems (I

My car is a 2005 Dodge Stratus Sedan with the 4 cyl DOHC engine. The first symptom was an engine light and a loose vacuum tube. When I checked out the PCV valve the tube goes to (removed it, cleaned it, and replaced it) the engine light went away for a few days. Then it came back so I replaced the PCV valve. Engine light went away for a few days then returned. I went and got the engine light read and it was a P0340 (Cam Shaft Position Sensor). At this point the problem gets worse – sometimes when driving the engine will “chug” when accelerating at a moderate rate and when I am going over 60mph and give it gas. I have to “baby” it to get it home a couple times. The strange thing is that if the engine light comes on when I start the car it will usually drive fine – it’s when it doesn’t come on upon starting but instead comes on while driving that I start to get the “chugging” problem. So, at the point I replace the Cam Shaft Position Sensor. The engine light doesn’t go away immediately but after a couple starts it is gone. The car drives perfectly fine for 4 weeks with no light and no “chugging”. Then 2 days ago the car won’t start. The starter is cranking the engine but it just won’t start. It won’t start with a jump-start or with a new battery. I then thought about the Cam Shaft Position Sensor replacement and wonder if that has anything to do with it? I just happened to still have the old one so I take off the new one and slap the old one back on. The car starts up on the first try, however, my old friend the engine light is back on. Does anybody have any idea what these symptoms might be telling me? My thoughts:

-Maybe I just happened to get a bad Cam Shaft Position Sensor to replace the old one?
-Some other issue is disabling or otherwise burning through Cam Shaft Position Sensors?
-Some other issue that replacing PCV valves and Cam Shaft Position Sensors only masks for a limited time?

Any help to point me in the right direction would be greatly appreciated!

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  • Anonymous Apr 27, 2009

    It was brand new from the parts store. The strange thing is now the old one, which was apparently causing the engine light before, is working fine and not producing the least it hasn't the last couple days. However the new one worked fine for a few weeks as well so I won't be surprised if the light comes back eventually.

  • Anonymous Jun 24, 2009

    Thanks for commenting! It reminded me I needed to update this. Apparently I have fixed this by replacing the Cam Shaft Position Sensor. Now, I had replaced it before as previously noted but that replacement only worked temporarily and then caused the problem of the car not starting at all. At my wits end, I was making an appointment with the Dodge dealership and when I described the problem the first question the tech asked is if I replaced it with a MOPAR cam shaft position sensor. That tipped me off that they had seen this before and knew the solution so, rather then shelling out even more money; I promptly cancelled my appointment, bought a MOPAR CSPS and replaced it with that one. The car is working perfectly now and has been the last few weeks. Thus I think that the solution to this problem is replacing the sensor but making sure it is a MOPAR camshaft position sensor.

  • VWdan
    VWdan May 11, 2010

    Was the replacement sensor a new one or a used one froma bone yard?



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I had the same problem with my '05 Stratus SXT 2.4 DOHC. I've replaced the cam pos sensor and it seems to be running fine right now. On the Dodge forums a lot of the guys say that you need to replace the crank pos sensor too. I've bought one of those just in case it comes back again. Hope this helps.

Posted on Jun 24, 2009

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  • Anonymous Jun 24, 2009

    It was a new one that I got from my local parts store. A Borg Warner part # CSS1600. I believe it was around $41 here.

  • Anonymous Jun 24, 2009

    *edit* That is the part number for the camshaft position sensor that was called for for my car.

  • mechanic144 Apr 16, 2017

    ok. so now that you replaced cam position sensor, have it 'relaerned' or have it re-synced with cranskshaft position sensor. start there first.

  • Ryan Kizzire
    Ryan Kizzire Dec 08, 2018

    Before you changed the csps, when you tried to start the car did the motor sound a little different when it was turning over?


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Get out your best light and check the connector and wire for weak or almost broken connections. Then I would disconnect the battery for a short time and then reconnect and do the ECM reset routine that your manufacturer suggests in your owners manual. The info should be in or near the "Battery Change/maintenance" part of your manual, or access the info on line. You mentioned something about are about stating the battery had been replaced, and you seemed maybe you should clean and inspect your battery cables/connectors. I know that when my battery starts to loose it's uummpp....or seems weak....some strange things start to happen with my electronics...I think the weak battery does have an ill affect on the proper operation of all the sensors...And if your driving habits are way different than the average drivers may could prolong the re-learn phase that your ECM does every time you loose power from the battery. So...there are a few things I would try if I were in your shoes. Be safe and good luck....

Posted on Mar 06, 2015


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Posted on Jan 02, 2017


Greg Bernett

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SOURCE: Camshaft Position Sensor

P0340 Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor

P0700 Transmission Control System (MIL Request)

The code P1684 is real easy. The computer is stating that the battery has been disconnected within the last 50 starts.

Posted on Jun 24, 2009


  • 280 Answers

SOURCE: code reads P0340 Camshaft position Sensor circuit

That makes the computor think the timing is off. Replace the sensor and see if that does it. You will then have to have the code cleared (erased) or the light will come back on/stay on.

Posted on Mar 19, 2010



  • 5081 Answers

SOURCE: P0340 Camshaft Position Sensor. How do I fix it?
please go the above link and you have a video procedure for how to change the sensor.
just do it and you are done to drive your car away.

Posted on Aug 09, 2009


  • 976 Answers

SOURCE: I have a 2003 Dodge Stratus 2.4L DOHC Engine. The

it went from a hard cam sensor failure to an intermittent theres no magnet just a raised portion on cam.i think you got a loose terminal in the connector or a wire shorting or partly open from the sensor to the pcm

Posted on Mar 25, 2010

dean taylor

  • 76 Answers

SOURCE: My check engine light came

it would involve changing camshaft sensor and the oil pressure sensor

Posted on Jan 21, 2011

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Please click here if you have further questions.

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