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Thread: 94 Buick RoadMaster Estate Wagon LT 1 issues

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  1. #11
    Fuel Injected! vilefly's Avatar
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    The O2 sensor wires (harness side) both should present .45V on them when unplugged. Left/driver's side = Purple/White, Right/passenger side = Purple. Make sure measured readings match scan readings. Check this without starting the car.
    Last edited by vilefly; 11-15-2019 at 04:14 AM.

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