Quote:
Originally Posted by mults
It makes sense that the pressure is higher at cold startups because the oil is thicker and takes more pressure to move it around the engine. As the oil warms up, the viscosity changes (gets thinner) and the pressure drops accordingly.
I don't see a mention of the oil you are using, nor the viscosity (10W-30) for example. Maybe your oil is old and just needs to be changed?
Keep us posted to see if the new sending unit changes anything...
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Just so you know there is no such thing as weight when it comes to oil. The W stands for winter... also the viscosity goes up when the oil gets hotter not down. When the oil sender goes to max usually an indicator the sender is bad.
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