Thanks for the reply. You're right the scanguage 2 can look at fuel trim as well as fuel pressure. I'll report back tomorrow morning, gonna be single digits so good conditions to test. For coolant temperature sensor failing, would I see any other symptoms related to it? the gauge stays at 3 o'clock ...

Unfortunately I use the scanguage 2 and the air temperature was not reading. Unsure if this is a MAF issue or if the scanguage 2 can't read air temperature in these cars. This morning when I started the car the coolant temp was 32°F and outside temp was around the same. I timed how long it takes to ...

My 97 850 NA 104k miles has been having a hard time in the Chicago winter. In the summer I have no issues. But now it's below freezing I have had an issue when putting it in drive. In the winter, it starts no problem, goes in reverse no problem, but as soon as I put it in drive it stalls and shuts o...