Question about 2003 Chrysler 300M

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2003 chrysler 300m o2 sensor and camshaft position sensor

Chrysler 300m 02 sensor says high voltage even after replaced it twice for bosch 02 sensor and camshaft position sensor malfunction even after replacement plus there was metal shards on the end of the 1st sensor. whats wrong with my car?

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  • Anonymous Mar 13, 2014

    where is the fuel sending unit on a 2003 Chrysler 300M?

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SOUNDS LIKE YOU HAVE CAMSHAFT DAMAGE.

Posted on May 30, 2009

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Code p0038 wont go away and i have replaced the 02 sensors twice on my 2006 kia sportage


Code 038 means the computer is getting a high voltage return in the heater circuit from the O2 sensor mounted after the catalytic converter. The O2 sensors have an internal heater to make them work as soon as you start the engine.
You would need to test the circuit to and from the sensor to find the real problem.

Nov 14, 2014 | 2006 Kia Sportage

1 Answer

P0016 what is that n how u fix it


P0016 Crankshaft Position - Camshaft Position Correlation
P0135 O2 Sensor Heater Circuit
P0138 O2 Sensor Circuit High Voltage
P0340 Camshaft Position Sensor "A" Circuit
P0344 Camshaft Position Sensor "A" Circuit Intermittent
P0508 Idle Air Control System Circuit Low
P0522 Engine Oil Pressure Sensor/Switch Low Voltage
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Jun 03, 2013 | Cars & Trucks

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03 300m


Here is what I get from Autozone's repair guides,sometimes it can be something mechanical,your wires running to the 02 sensors could be bad,follow them.Also check the co2 connectors,could be oily or burnt.


Trouble Code: P0152

O2 (B2 S1) Circuit Shorted to Power
Possible Causes:


O2 signal tracking in the connector due to wet/oily condition. O2 signal circuit is open, or the ground circuit open. O2 heater supply circuit is open. PCM has failed .

Aug 03, 2012 | 2003 Chrysler 300M

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Engine light is on...


P0137--O2 Sensor Circuit Low Voltage-Bank 1 Sensor 2

P0139--O2 Sensor Circuit Slow Response-Bank 1 Sensor 2

P0152--O2 Sensor Circuit High Voltage-Bank 2 Sensor 1

P0300--Random Multiple Cylinder Misfire


I would suspect that the camshaft position sensor is bad. This is a quote from the tech manual:

The Powertrain Control Module (PCM) uses the camshaft position sensor to manage sequential fuel injection and as part of misfire diagnosis. The PCM constantly monitors the number of pulses on the signal circuit. The PCM compares the number of camshaft sensor reference pulses and the number of crankshaft position sensor reference pulses received. If the PCM receives an incorrect number of pulses, Diagnostic Trouble Codes (DTCs) should be stored in the PCM. Some PCM systems will then default to multi-port or "gang-fire" injector operation. The camshaft position sensor signal is required to sequence the injector operation to the proper cylinder timing. If the camshaft position sensor or circuit is faulty, most engines will start. However, the PCM misfire diagnostic will likely be affected.

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The part costs $50.....simple to change. It is NOT the O2 sensors so don't go wasting money on those. They are being affected due to related symptoms....they fault because the problem is happening upstream.

Oct 01, 2009 | 2002 Dodge Intrepid

2 Answers

Camshaft sensor location


The camshaft position sensor is mounted to the top of the timing case cover. The bottom of the sensor is positioned above the camshaft sprocket. The distance between the bottom of the sensor and the camshaft sprocket is critical to the operation of the system. Hope this helped and best wishes.

Aug 06, 2009 | 2003 Chrysler 300M

1 Answer

I HAVE A 2003 CHRYSLER 300M SPECIAL 3.5HO AND REPLACED ALL FOUR 02 SENSORS AND STILL GET CODES P0132 AND P0152 TOOK CAR TO MY SHOP AND TOLD ME I HAVE INTAKE GASKETS LEAKING WOULD THIS CAUSE THESE CODES


yep po132 shorted to voltage po152 shorted to voltage.this means lean conditions .you got in take leak .if you get a high voltage conditions you got rich mixture.bad plugs or stop up air filter.

May 01, 2009 | 2003 Chrysler 300M

1 Answer

I HAVE A 2003 CHRYSLER 300 M SPECAIL WITH 3.5HO COMING UP WITH CODES P0132 & PO152 REPLACED ALL O2 SENSORS WITH AFTER MARKET SENSORS BOSCH


i have told you that the converters need replace but you dont believe this even after a dealer told you they did then you give me a thanks for trying ,well your allready convinced so put on the part you want to here it is

Apr 30, 2009 | 2003 Chrysler 300M

1 Answer

I HAVE A 203 CHEYSLER 300M SPECISL 3.5HO AND HAVE REPALCED ALL O2 SENSORS NOW WHEN THE CAR IS COLD IT AND YOU TAKE OFF IT WANTS TO STALL CODE P0132 AND P0152 COME UP


I've found in the past that the aftermarket O2 sensors create problems. Both fault codes point to the upstream O2 sensors for high voltage. If the wiring to the PCM is good then I would suggest using factory O2 sensors. Aftermarket parts are ok in most instances, but with OBDII sensors I would stick with factory stuff.

Apr 30, 2009 | 2003 Chrysler 300M

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