| hello. ive been troubleshooting for a while now. My vacuum at idle is around 30 in. when WOT it goes up to about 20-18 in. and never goes into boost. i have blow off valves and they don't shoot off as loud as they used to get, but do make noise. so im assuming im boosting a little? I have a bad fuel injector that the best reading i got was 197 ohms. It was originally corroded and i tried my best to clean it. I did a power balance test and it did make a difference when i unplugged that cylinder.(I am going to test again) Another thing is my stock vacuum gauge is stuck all the way to the left in vacuum and never goes up. If that stock gauge's vacuum line was unplugged it would be stuck at 0 psi correct?? I used that program ecu talk compared some sensors that all check out. I am not too sure how to read the a/f ratio thats around 90-115 but they are opposite of each other(the readings) and at times besides idle that they are not the opposite of each other and I think that might be a problem. My timing is 15* at idle and than goes up to the 20s and than at WOT its at about 35*- 36*. anybody familiar with these symptoms. car is a 91 twin turbo. It is stumbling and drives better at 1/4 throttle.
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