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oil pressure fluctuating at highway speeds

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here oil pressure fluctuating at highway speeds

This topic contains 1 reply, has 2 voices, and was last updated by Avatar Richard Kirshy 3 weeks, 5 days ago.

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    brian lindsey
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    i have a 98 gmc k1500 with a 5.7 , , back in sept my oil pressure started fluctuating at all conditions , even idle , replaced sensor , and it seamed to straighten ou , went on road trip , after about 4-5 hours driving , i noticed pressure fluctuating again , from 30 to occasionally zero and back with check gauge coming on when hitting zero, oil level is good , fresh oil change , no leaks , recertified gauges , not sure what to check next, quality filter with oil change

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    Richard Kirshy
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    Probably a good idea to hook up a mechanical oil pressure gauge and see if you actually have stable oil pressure or if your losing it.

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