Troubles with idle.
#1
Newbie
Thread Starter
Troubles with idle.
In order to idle around 800-900 I need to close the BISS completely. The ISC sits at 54 steps once warmed up. If I engage the BISS adjustment the car nearly dies, so the ISC is obviously capable of going below 54 steps. I have also tried 2 different ISCs. Any guidance is appreciated.
#2
Newbie
Thread Starter
It looks like it just needed some driving to get the ECU to make adjustments. The idle dropped way down today and I was able to get things very close. It's only 100 to 200 RPM high when properly adjusted, so I think it just needs time to finish learning.
#4
Newbie
Thread Starter
No vacuum leaks, I put in all new high quality silicone ones. I also sprayed around looking for leaks. One possibility is I may have hooked something up wrong when putting on the lines after changing the intake manifold. I will try to find a good diagram to double check with. I also checked my vacuum and it is right around 21 inches.
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