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repeated camshaft position sensor failure

 
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  #1 (permalink)  
Old 12 Jun 2017, 12:50 pm
puddingmobile's Avatar
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Default repeated camshaft position sensor failure

Hi all.

I have been having some problems! At first it was suspected to be something to do with the turbocharger (I have a Touring edition, turbo-lite). Computer codes came back for the camshaft position sensor. That was replaced and everything was fine for a day and a half. I was driving on the freeway yesterday and that appears to have gone out again--I haven't run the codes, but the engine light came back on and the power dropped in the same way that it had previously. I top out at 2500 RPM and 60 MPH.

What are the likely root causes for repeated failure of this part?

I drive a 2007, with about 84,000 miles on it.

Thanks!
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Old 12 Jun 2017, 01:04 pm
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Default Re: repeated camshaft position sensor failure

Quote:
Originally Posted by puddingmobile View Post
Hi all.

I have been having some problems! At first it was suspected to be something to do with the turbocharger (I have a Touring edition, turbo-lite). Computer codes came back for the camshaft position sensor. That was replaced and everything was fine for a day and a half. I was driving on the freeway yesterday and that appears to have gone out again--I haven't run the codes, but the engine light came back on and the power dropped in the same way that it had previously. I top out at 2500 RPM and 60 MPH.

What are the likely root causes for repeated failure of this part?

I drive a 2007, with about 84,000 miles on it.

Thanks!
What was the actual PXXXX code that got triggered?

What brand Camshaft sensor did you purchase?

Did you check the wiring going to the Camshaft sensor before replacing it?

Was there any previous work done on the engine before the code got triggered?
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Old 12 Jun 2017, 01:07 pm
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Default Re: repeated camshaft position sensor failure

I don't know the answer to the first two questions.

Is OEM or a specific brand recommended for this part?

I don't think my guy checked the wiring.

No, there was no previous work done on the engine.
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Old 12 Jun 2017, 01:13 pm
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Default Re: repeated camshaft position sensor failure

The repeat failure is likely due to one of these in this order of probability:

1. Damaged plug and/or frayed wires from the sensor to the PCM.

2. Bad replacement part.

3. Incompatibility of replacement part (Mopar vs. aftermarket sensor)

4. Weak or damaged sensor target magnet (Yes, they can and do go bad).
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Old 12 Jun 2017, 01:15 pm
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Default Re: repeated camshaft position sensor failure

I purchased my Camshaft sensor at the dealer for both of my Pt Cruisers with no issues. Many members had trouble with aftermarket Camshaft sensors purchased at an auto parts store.

See if you can get the PXXXX code that was triggered. You might want to invest in an OBDII Scan Tool. Check the Camshaft wiring for continuity.

https://www.moparpartsoverstock.com/...=0&ukey_make=0
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Last edited by ptcruisersteve; 12 Jun 2017 at 01:20 pm.
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Old 13 Jun 2017, 10:55 am
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Default Re: repeated camshaft position sensor failure

I changed my camshaft position sensor last November when it threw a P0340 code and went into "limp mode". I bought a $70+ Mopar sensor and everything worked great. I should have been a little more methodical but the car needed to get back into working condition immediately.

Had I had the time, I would have cleaned the contacts on the original sensor and cable and simply driven it around to see if the code and problem would have gone away. What I've heard is that these types of problems often happen at the changing of seasons (wet/dry or cool/warm). A non-OEM sensor costs less than half this much.
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Old 13 Jun 2017, 02:41 pm
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Default Re: repeated camshaft position sensor failure

Thanks everyone.

I've got a car who knows what he's doing--he ran the codes, I just wasn't looking immediately over his shoulder.

He's going to look at it tomorrow and look at whatever code is coming up now. I'll suggest getting a Mopar sensor. The one we put in last weekend was $45, FYI, so a little over half. Still not too bad, if that is the fix.

I'm in Texas and we're getting into the real heat of summer here, and he mentioned that might be a factor as well. I think we'll spend more time with it this next go round and do more testing.
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Old 13 Jun 2017, 03:09 pm
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Default Re: repeated camshaft position sensor failure



aftermarket vs OEM parts debate......
Sometimes you can't argue "stupid". Not directed at anyone just a phrase I heard and read once.


Oh and for any member, I would like of those so called bad (not broken or damaged but failed because of age or millage) OEM target to test. I will pay the shipping!
PM if anyone has one.

Carry on!!!!!!!!!!!!
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Old 13 Jun 2017, 03:13 pm
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Default Re: repeated camshaft position sensor failure

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Originally Posted by NitroPT View Post
Sometimes you can't argue "stupid". Not directed at anyone just a phrase I heard and read once.
What's the point of saying it then? It sure seems like you would be directing that statement at someone here.

If you have useful suggestions, I would certainly appreciate those.
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Old 13 Jun 2017, 03:27 pm
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Default Re: repeated camshaft position sensor failure

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Originally Posted by puddingmobile View Post
What's the point of saying it then? It sure seems like you would be directing that statement at someone here.

If you have useful suggestions, I would certainly appreciate those.
I'm not speaking for Nitro, but buy the Mopar sensor if you wish, keep it in the bag, clean the contacts on both the plug and receptacle and try using the old sensor for a while. You know that it takes 5 minutes to replace with a Phillips screwdriver and if you keep it in the glove compartment, you can pull over and replace it immediately if you run into the trouble again.

If you don't have any problems for a while, return the Mopar sensor and keep the savings.

Now, if you are having problems with multiple sensors, the problem probably isn't the sensor and the Mopar sensor may do the same thing.
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