What is P0073 code?

[Briman]

To Sag2 or any one else that knows. I tried to find info on it in the downloaded '03 CD manual and have not found anything yet. Thanks in advance for any replies.

 

[CLAYTON]

Originally posted by Briman

To Sag2 or any one else that knows. I tried to find info on it in the downloaded '03 CD manual and have not found anything yet. Thanks in advance for any replies.

P0073 Ambient Temperature Sensor High

 

[Briman]

Originally posted by CLAYTON

P0073 Ambient Temperature Sensor High

What would cause that code to be set?

 

[CLAYTON]

I have no idea

 

[RodneyNichols]

What would cause that code to be set?

I had the same code along with P0107 (Manifold Absolute Presure Sensor Low).

when I had my Oil changed and the guy forgot to plug that wire back in on top of my Air-cleaner box.

The engine light came on and it set those two codes. I waited for about aweek and the codes cleared.

 

[rbattelle]

Page 70 of PDM:



P0072 - Inlet air temp sensor voltage too low.



Possible causes:

-Sensor out of spec

-Intermittent condition

-Harness shorted

-5-volt supply open

-Harness shorted (ECM side)

-ECM



There is a lengthy diagnostic sequence to narrow down the cause.