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o2 sensor

  1. About to buy a Laredo - O2 sensor & lower engine trembling

    New Member Introductions
    Hey guys, I looked at a '94 ZJ Laredo (4.0l, auto) today and I'm interested in buying it. All-over it's a good clean Jeep although there's a couple of issues I wanted to check before purchasing. When idle, there's a slight tremble from what feels to be the bottom of the engine. There doesn't...
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