Check Engine Light P0505

[Ej6kevin]

My cars check engine light pops up with P0505. I changed out my idle air control valve and the code went away for a couple days, then now it's back on doing the same thing. I need help, it would idle about 1300 and when I rev it to about 1500 rpm, it would get somewhat stuck like it sounds like launch control, then anything after that, it would drive okay. I don't know what else to do . Someone please help .

 

[203CT]

Is it a new IACV or a used one? It could be bad. You can also have a vacuum leak somewhere.

 

[Ej6kevin]

Is it a new IACV or a used one? It could be bad. You can also have a vacuum leak somewhere.

It's a brand new one from the parts store, and i don't see any leaks.

 

[JohnS.]

I had this CEL for 7-8 months and what fixed the problem for me was adjusting the idle via idle screw on throttle body. My idle was set too high.

 

[Ej6kevin]

I had this CEL for 7-8 months and what fixed the problem for me was adjusting the idle via idle screw on throttle body. My idle was set too high.

Not to sound dumb, but, I don't know where that is. i've tried looking for it. but don't see it.

 

[JohnS.]

Not to sound dumb, but, I don't know where that is. i've tried looking for it. but don't see it.

This is an aftermarket throttle body but the location should be the same:

 

[mymmeryloss]

Have u changed ur air filter or done a tune up lately?

Vacuum leaks?


Sent from my Butthole using Fart power!

 

[Ej6kevin]

Have u changed ur air filter or done a tune up lately?

Vacuum leaks?


Sent from my Butthole using Fart power!

No , and no . But i'm going to soon.

 

[Ej6kevin]

This problem is still ocurring , Don't know what else to do. would it be my map sensor by any chance?

 

[Ej6kevin]

bump

 

[Ej6kevin]

Anyone?

 

[DaLostONE69]

I have the same problem. But I recently did a search to try and fix my cruise control, long story short I came across someone having the same issue with the same CEL code and his was caused by a vacuum leak in his cruise control system. unfortunately I'm in the same boat and can't find a diagram of the vacuum lines

 

[Ej6kevin]

I have the same problem. But I recently did a search to try and fix my cruise control, long story short I came across someone having the same issue with the same CEL code and his was caused by a vacuum leak in his cruise control system. unfortunately I'm in the same boat and can't find a diagram of the vacuum lines

Thanks for the information, but I don't have Cruise control lol .

 

[JohnS.]

Did you adjust your idle at all?

 

[Ej6kevin]

Did you adjust your idle at all?

Yes, but it still acts up .