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Recent content by b_lange

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    Unsolved Mystery MerCruiser 1999 TBI 5.7L V8

    You are likely chasing a physical air-flow or mechanical problem that is masquerading as a sensor issue. The first thing i see is the MAP-sensor voltage. High voltage means low vacuum At idle, a healthy engine pulls a strong vacuum. Your starboard engine is failing to do so. If it can't...
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