Just picked up a low mileage 06 Wrangler. I've seen other threads on the Cam sensor but none really address what I'm dealing with. I've got a recurring P0345 Camshaft position sensor code. The sensor was new when I got the Jeep, got home, next day code comes back. The Jeep will crank, no start. Wiring from CPS to ECM checks, voltage to sensor, Hall effect switch in sensor checks out, signal get to ECM. If I crank the car what I consider too long (and sometimes give it some throttle) it eventually starts but code is current. Cleared the code, comes right back. Thinking back to a similar EFI system I was familiar with on motorcycles I remembered we had a problem where another sensor sharing power or ground that was failing could set the code for another sensor. Vehicle Speed Sensor shares power. Disconnect VSS, clear code, starts and runs great. Hook up VSS, still OK. GOT IT! NO! Next day same issue. Go through the same process where I start thinking it may be temp related since it's "fixed" again. Drove it the 1 1/2 hr back to the selling dealer without resetting the code. Couple things that make me wonder, the oil pump drive assy has some backlash but appears to be installed and timed correctly BUT the data capture when the code sets shows the ignition timing at -40 deg +/-. Minus 40 degrees, a lot of minus degrees. Right now the selling dealer has the car back at the shop that they had repair the initial issue, but I'm still looking for input since their initial fix didn't fix it. 1 other concern is the ignition switch. I've driven multiple 04-06 TJ's where finding the start position requires finesse. Turn too far, no crank. My Jeep has the same issue.
