sidewayzgt

My check engine light just went on and I have generic code P0505. I do hear a vacuum leak behind the intake but everything that I can see looks ok. Maybe there is a hose that I can’t see? Does anybody have a vacuum hose diagram for the M113K motor? I did a google search and cannot find one for some reason. Thank you!

MSG 55G

I had code P0505 when I upgraded my TB, turned out it was an aluminum vent/breather hose that got loose, it's on driver side that hooks up to the SC snout, you can't really see it, I had to take off the left (driver side) surge tank to hook it back up and code went away. Google search P0505, other members has described it in details with photos.

MSG 55G

I was mistaken, the code the popped up was P0507 and fixed it by plugging alloy breather hose back to snout.

Lora Carmen

Hello Everyone,

I have a 05' E55 and I have a code or P0505, P0506, P0507 . The code P0505 came out first and when I check vacuum leak I didn't find anything, I thought it was the Throttle body I switch my throttle body from my 03' E55. When I switch it out and erase the code,5 minutes later check engine light is on again with 2 more codes extra, the codes are P0506, P0507. I don't know what to do. I need help!

Thank you in advance.