Hello, I am living in Norway and just now the temperature is about 5-7 degrees below zero. When the sun is shining directly on my 300ZX TT, the car is always hesitating/stumbling when the car is cold! If the sun not are shining the car behave just normal! I got code 42 (fuel temp sensor) when I run the ECU diagnostic, but I have just replaced the sensor. May the sun affect any other sensor so that the car is "fooled" to think it's warmer than it really is??
Thanks- Egil