I am trying to resolve a similar situation. However, I feel the reason you have all of these codes is because you never cleared the codes to begin with. You need to clear all of the codes and then run your and see what codes come back up. Hope this helps.

Hello. I am new to this forum (kinda). I went and bought some Denso spark plugs today. I get to the install and I notice that the boot will not sit all the way down on the spark plug. After closer inspection I notice that the Denso is slightly longer than the Volvo oem spark plug. Has anybody else h...