I'm leaning towards the computer for the engine. My only thing with that is 1) If the computer was telling the fuel pump to shut down because it can't read the crank sensor, why do I still have full pressure in the fuel rail when it acts like it want to die. 2) I hooked up an Innovia 3100Lat OBD rea...

MadeInJapan wrote: ↑04 Sep 2017, 18:42 Do you have the older models S40 with 4 cylinders or the newer model that started mid-year 2004 (which has 5 cylinders)?

It's the newer one with 5 cyl.

I have a 2004 Volvo S40 that when starts it'll stall. It'll run for a minute or less before acting like it's starved for air. Keeps running real low rpm. I get the 2 codes that read, 1st P0339 and a 2nd code that is P0339 with a pd looking symbol next to it. P0339 which is a crank position sensor. ...