AIT reading 90° above ambient
03-20-2017, 10:02 AM
#26
Sicker than your average
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Originally Posted by Loki
High MAF makes no sense, the car shouldn't be pumping more air than fits into it at a given RPM. So either the MAF is crazy or somebody has been messing with the MAF voltage to airflow conversion. Down around idle, it would take a significant voltage difference to produce a slight airflow difference, so I'm leaning toward the latter. Do you have actual voltage and airflow data?
LTFT at idle is 0 when the car is cold and hits around +4 when accelerating. When the car is all warmed up, it idles at around +3 and hits +7.2 when accelerating. It seems like I have a vacuum leak, and as the car warms up, the leak gets bigger?
03-20-2017, 10:30 AM
#27
03-21-2017, 12:15 AM
#28
Sicker than your average
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Originally Posted by 9krpmrx8
That's because when you put your foot on brake in drive you are putting a load on the engine. At idle STFT and LTFT should within 3% from 0 +/- if the car is operating properly.
