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What would cause the oil pressure gauge to drop to low and stay there, then move up to normal

1 Reply | Filed under General, Toyota, Sequoia

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jamie on February 18, 2009

i have a 2004 sequoia The oli pressure gauge seems to be not working No light have come on and the oil is full and clean. The guage just dosn't seem to stay in the right postion

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  • Reply to DrBoost | Flag
    DrBoost on February 19, 2009

    When does it drop? When the engine is cold? Just started? When is the last time the oil was changed? Are you using a good name-brand oil filter? Some of these have a drain-back valve that can stick open and COULD cause a drop in pressure, but it's doubtfull. The best way to know what's going on is to put a mechanical gauge on it. Remove the factory sending unit and screw in a mechanical gauge.

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