Jeep Commander Problem Report

Jeep Commander Hard Starting and/or PCM Codes P0340/P0344

(6 reports)

The engine may be hard to start and/or illuminate the Check Engine Light with code P0340/P0344 stored. The common repair is to update the Powertrain Control Module (PCM) software. In some cases replacement of the camshaft position sensor may also be required.

Code p0340, hard starting and failure to quickly accelerate -
check Engine light and Po340 code that will not clear -
I was having trouble with my truck when it got up around 4500 rpms and the truck would jerk around and then basically stop. After restarting it i went to an auto store where they told me it was the cam position sensor. I changed that and am still having the problem. I need some help if anyone has it. -

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