Today on my way to work I got this reading on my bulldog for my 2002 F350:
P0470 Exhaust Back Pressure Sensor Circuit Malfunction
Is this major or nothing to be concerned about?

For the past 5 days when I go to start my truck I have this problem:
When I start it it'll run for almost a minute (20seconds I think or more) with no oil pressure with the check gage light on. Sometimes it'll quit like it ran out of Diesel. But when I go to start it again the pressure shoots back to normal in the middle. Other times the pressure shoots back up right before it's about to quit then it runs normal.
What's causing this? Please help

 

the code is for this
Welcome to guzzle's Exhaust Backpressure Sensor Cleaning Maintenance Web Page
easy to fix. i dont know about the other

 

I have had the same starting issues for a while now. It's worse the older my oil is. I figure I am going to need a new LPOP soon