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  1. Z

    Odb1 aldl data logging

    was wondering if anyone could help me with my data I have no idea what to be looking for, I have a 1990 5.7 tbi and have been having a random shake at a stoplight and rpm drops for a second and goes back to normal when it shakes. Have replaced too many parts trying to figure this issue out and I...
  2. Z

    Need some help with bad idle

    I have a 1990 5.7 tbi with 225k miles and it runs fine when accelerating but when I’m idling in park or sitting at a stoplight I get a random shake where voltage and rpm drops for a second and goes back to normal, it’s random it can happen once or a bunch of times on my way home from work. I was...
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