oil pressure gauge

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03-09-2009, 06:41 AM

jimishadow

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oil pressure gauge

my 1987 300D oil pressure gauge is jumping up and down ai idle.it goes up to 3 and stays steady when above idle..any input welcome.

03-09-2009, 07:35 AM

cycleboy

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Location: Carbondale, IL

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Check your oil. A jumping gauge at idle usually indicates inconsistent feed to the gauge, or a faulty gauge. The most common cause is low oil.

03-09-2009, 12:04 PM

cycleboy

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pfft. Silly me. Had I looked at his year I would probably have figured out he's got an electrical one unlike the mechanical feed like on the older models.

03-13-2009, 08:10 PM

jimishadow

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oil is clean and full.cleaned connection at sensor behind/below oill fillter ...oil gauge still bounces between 2 and 3 at idle.any other ideas welcome.car runs great.190,000 milles.