Man that sucks, I hope this isn't unsolvable.. Haha
I've replaced the IAC, injector, computer, clean the throttle body, checked for vacuum leaks etc, no change.

I've also built an ALDL cable and...

This is a vehicle I've restored and it's been like this since I've owned it.

It could be normal, but I doubt it. It's the same if you are going down hill and take your foot off the throttle....

My first thought was VSS but I have replaced it without change.
There are no fault codes shown either.

Hey all,

I was hoping for some advice and assistance with a problem im trying to sort out. My vehicle is a '98 Lada Niva (stop laughing) and it runs the GM TBI system.

The main issue is that it...