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  1. J

    4.3 tbi backfiring and skip/miss

    Sorry for the long wait, fellas. Finally got a little time this past saturday to work on the truck. Didn't have time to the full tune up but I was able to replace the plugs and wires. Good Lord what a difference that made. No more back firing or skipping/misses. Runs like a top now! Forgot to...
  2. J

    4.3 tbi backfiring and skip/miss

    I'm new to the forum and have already found a ton of great info, still figuring out the forum though. Haven't found any threads on my particular problem but if there is one already, I apologize in advance. I've got a 1990 1500 with the 4.3 tbi with 235k on her. Single cab, long bed, 4wd...
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