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Cam and knock sensor

 
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  #1 (permalink)  
Old 14 Jul 2013, 06:32 pm
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Angry Cam and knock sensor

Hello I have a 2007 pt cruiser the cam sensor has gone out 4 times in 1 year can someone please help and tell me how I can fix this so it won't keep going out thank you have a bless day
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Old 14 Jul 2013, 06:48 pm
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Default Re: Cam and knock sensor

Where are you getting your sensors? If your not, go to the deal amd get oem mopar sensors.
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Old 14 Jul 2013, 07:07 pm
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Default Re: Cam and knock sensor

It's not the brand that is causing the premature failure of the cam sensors.

Check the obvious things first. This would be all the ground connection most importantly from the battery to the chassis. Then carefully check the wiring harness for any fractures exposing the core wires. I would also see if there is any chemicals that are getting in contact with he area?
While it should not matter for the function and longevity do not rule out if there is a high current wire close to the connector of the cam sensor.
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Old 14 Jul 2013, 07:19 pm
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Default Re: Cam and knock sensor

I'm with Dodge310. Get yourself a MOPAR sensor and it'll probably be the last one you have to buy.
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Old 14 Jul 2013, 09:20 pm
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Default Re: Cam and knock sensor

So without even hearing what brand and where the original 4 sensors were purchased and with no facts about origin or manufacture you make a blanket response like that??

That is not helpful to the community as a whole nor the OP asking for help!?

You do realize that the MOPAR electronic's are manufactured in several countries not always Mexico right?
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Old 14 Jul 2013, 09:24 pm
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Default Re: Cam and knock sensor

Yep, and we've given that advice to loads of owners who have bought after market sensors and 99% of them had their problem fixed with getting a sensor from Chrysler. So, if he/she comes back, we'll find out where he bought all of his sensors.
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Old 14 Jul 2013, 09:30 pm
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Default Re: Cam and knock sensor

I guess car forums keep the OEM's in business with their unwavering support?
Who needs advise from real mechanic's and Auto Technicians anymore?
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Old 14 Jul 2013, 09:47 pm
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Default Re: Cam and knock sensor

Lynn,

Your advise on mechanical and technical issues on this forum have been outstanding and have helped more than anyone can count. The checking of ground connections and wiring harness is always something to check, but when i hear someone going through sensors and it's something that's been said a hundred times over from owners that buy them from after market, the first thing myself and others come up with is, like you said, is the obvious change to a MOPAR sensor and see if that works. As I said, 99% of the time, it does.
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Old 14 Jul 2013, 09:49 pm
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Default Re: Cam and knock sensor

Quote:
Originally Posted by Marniehornsby View Post
Hello I have a 2007 pt cruiser the cam sensor has gone out 4 times in 1 year can someone please help and tell me how I can fix this so it won't keep going out thank you have a bless day

Howdy Marniehorsby. You are not posting if you had any incidental OBD II fault codes. Like :
P0335....Crankshaft Position Sensor A Circuit

P0336....Crankshaft Position Sensor A Circuit Range/Performance

P0337....Crankshaft Position Sensor A Circuit Low Input

P0338....Crankshaft Position Sensor A Circuit High Input

P0339....Crankshaft Position Sensor A Circuit Intermittent

P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)

P0341 Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 1)

P0342....Camshaft Position Sensor 'A' Circuit Low Input (Bank 1)

P0343....Camshaft Position Sensor 'A' Circuit High Input (Bank 1)

P0344....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 1)

P0345....Camshaft Position Sensor 'A' Circuit (Bank 2)

P0346....Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 2)

P0347....Camshaft Position Sensor 'A' Circuit Low Input (Bank 2)

P0348....Camshaft Position Sensor 'A' Circuit High Input (Bank 2)

P0349....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 2)


You have not indicated who installed them and the condition of your PT and engine?


You have not indicated any disruption of the sensor supply voltage, ground or return circuits?

You have not indicated that the current or any of the previous cam sensors were ever checked for the output voltage across the appropriate terminals while cranking the engine?

You have not indicated that by way of an oscilloscope checked the wave pattern of any of the cam sensors that failed?


You have not indicated that your ECU/PCM was removed and tested as in many cases the continual unexplained failure of cam sensor could lead to a failing ECU/PCM?


My advise is to have your PT inspected by an ASE Master Technician where ever one is available either a Chrysler dealership or a service shop. This way although replacing another cam sensor may temporarily cure your issue , next time you may not be close to home if it fail yet again?
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Old 14 Jul 2013, 09:56 pm
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Default Re: Cam and knock sensor

Quote:
Originally Posted by CREWZIN View Post
Lynn,

Your advise on mechanical and technical issues on this forum have been outstanding and have helped more than anyone can count. The checking of ground connections and wiring harness is always something to check, but when i hear someone going through sensors and it's something that's been said a hundred times over from owners that buy them from after market, the first thing myself and others come up with is, like you said, is the obvious change to a MOPAR sensor and see if that works. As I said, 99% of the time, it does.
Thank you for the compliment CREWZIN.


Really I just hate to see someone get stuck out in the "boonies" if they think by simply going to a specific brand electrical product that their issue was cured.

Most electrical components have what is called infant mortality. Which simply in the business mean that any given electrical component regardless of quality or manufacture will either work or fail within the first 8 hours of operation.

I believe that there is more going on with this member and their issue then we have yet to find out?
Will see?
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