I had spark plugs checked then a mechanic recommended a new pcm. I bought pcm and Dodge dealer said it's not going the fix the surging I heard when u pulled up. PCM was flashed and installed. Engine still surging. Check engine code P1391 popped up and it's still surging. Auto Zone said they don't have a camshaft sensor and Advance didn't have one either. I assume camshaft sensor is different from the pick up coil??
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