TBI being a MAP sensor based system will see the leak just like opening the throttle blades and will feed the leak and then you have a high idle. this is most often caused by a vacuum leak. Idle surge or idle hunting and high idle.
Idle issues has to be one of the most common issues that I get contacted about. Pretty much all issues are going to fall into 4 catagories.ġ. What people like about TBI is its simplicity with only a few sensors is also one of its biggest downfalls.
Works with any fuel injection really since most shops really can’t properly diagnose unless computer just tells them what is wrong and unfortunately with TBI that usually doesn’t happen. I have decided to create a page on trouble shooting TBI.
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