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Found 2 results

  1. Hello there, totally new here. I am glad to have found this here, lots of valuable infos! So I am the proud owner of a '90 Lumina sedan, with the 3.1 MPFI, or LH0. Since I got it, it always made this slight knocking sound, not like a rod knock, but still annoying. At first it only did it when cold, but it slowly started to do it constantly. Last night it was pretty bad, I could hear it very well even with my windows rolled up. Even at idle I could hear it. Maybe I should have worried about it earlier, but what's done is done. I know the 2nd gen 3.1s were known for knocking for a few reasons, most notably the infamous piston slap. Some people told me MPFIs were prone to that as well, some told me my engine was shot and to just let it blow up What do you guys think? I don't really believe in magical fluids to reduce the sound, since the problem by itself won't be fixed, but I could try using a different engine oil. Apart from that I don't know what to do or where to start really. Thanks for your help
  2. 1st gen W owner, had feiro and G body back in the 80's. My 2004 Kia at 211,000 piston rings worn, instead of replacing a worn out engine with another one, I bought this car for 1100.00. I researched some before buying, but after buying this and finding out the little problems are hidden in not replacing parts, but with ecm, and other emission things...I am learning and thats why I am here.
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