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  1. U

    4.3 tbi backfiring and skip/miss

    My 88 started out like that & the solution was to change the temp unit on intake as it was faulty, telling ecm engine was cold, to add more fuel, like a chok
  2. U

    Has anyone have this happen?

    I had an 88 that did that...I changed the temp sending unit...8 bucks....defective one sends false info to computer that engine is cold & adds more fuel. like a closed choke.
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