My daughter has a 2005 LR3 HSE that died while driving on the highway. I tried troubleshooting several things: 1) has enough oil, 2) has enough gas, 3) air filter is clean, 4) cleaned gunk out of throttle body, 5) replaced all spark plugs & coil packs 7 months ago. The engine light had a few codes for the transmission (which it had for a while), but the new code it sent was "P0345 Code: Camshaft Position Sensor “A” Circuit (Bank 2)". After several attempts to start, it finally showed misfire on #2, #4, and #8 (which are all on bank 2). I moved the plug from #6 to #2 and the coil pack from #6 to #4 (hoping that since #6 didn't trigger a misfire, then perhaps it could tell me if the misfire was due to the plug or coilpack on #2 and #4). After doing this, the engine started but was VERY difficult to start and was VERY rough when it finally started. I cleared the engine light codes and the misfires didn't show up again even though it was obviously rough. I replaced the plugs in #2, #4, and #8, but no improvement.
Here's a video of what it sounds like for the rough start; it finally starts after ~50 seconds, but sounds very rough.
https://www.youtube.com/watch?v=2w3vqnGv6eU
Any suggestions on more I could test?
Realize those are endless money pit machines. So many things break down but if I were you I'd start by finding a guy like me to hook up a scan tool and just run it for about 10 minutes then analyze all that data. It could be a weak fuel pump that went out while you're driving it could be a blowing head gasket it could be a whole bunch of things and you have to start with basics and work from there. But speaking the basics basically those are gigantic piles of junk as they age and they are endless money pets
