CAM SENSOR

2003 Chrysler PT Cruiser

Tiny

kariasmith22

October, 15, 2012 AT 2:23 PM

I have replaced the cam sensor and my car is still doing the jerking at 2500 RPM. I have replace the timing belt water pump. A new head gasket and still have the problem. I got the sensor from Autozone at first, now I have purchased one from the dealer and still not working. All the wires are in ok. I dont know what to do at this point

6 Answers

Tiny

kariasmith22

October, 15, 2012 AT 2:25 PM

The mile are actually 178,000

Tiny

KHLow2008

October, 15, 2012 AT 2:39 PM

What trouble codes are you getting?

Tiny

kariasmith22

October, 15, 2012 AT 2:57 PM

P0340. My mechanic is so confused at this point. I took it to Chrysler they said it was out of time, so I repaired that first and put a new sensor on. Still same problem. Then is would crank so we found out the heads had to be replaced. '

Tiny

KHLow2008

October, 15, 2012 AT 3:12 PM

Here some tips I got for the problem. Check the wires shown in pictures for damage and breaks before you go on.

A broken wire would casue the code.

Tiny

kariasmith22

October, 15, 2012 AT 3:15 PM

Where do I find the pictures of the wire that I need to have checked? The dealership said the wires were fine that's why they said it had to be the timing. But clearly it is not.

Tiny

KHLow2008

October, 15, 2012 AT 3:44 PM

The camsensor consists of 3 wires. You need to test them for continuity between the sensor and PCM.

Black/Light Blue is the sensor ground which is linked to a few other sensors. Unplug Cam sensor and test for continuity to terminal # 22 of C2 connector at PCM.

Orange is 5 V supply, ensure voltage is present when ignition is turned on. If none, check wire for continuity to terminal # 29 of C2 connector at PCM.

Tan/Yellow is the CMP signal. Test for continuity to termianl # 34 of C2 connector ofPCM.

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