Hey guys. I’m having a p2138 code maintenance light come on in cold weather. Usually around 20 degrees F. Car goes into limp mode, the car will return to normal when it warms up and I restart the engine. I inspected the accelerator position sensor in the car, no corrosion, disconnected and dielectric greased. Harness looked okay. I checked the MAF, cleaned it, and greased the pigtail, harness was fine. Went to the throttle body position sensor harness, no corrosion, greased and reconnected...

P2138 code in cold weather