What could cause low oil pressure at the sending unit and the gauge itself when the mechanical pump has been checked out and replaced with a new one? Any ideas? I've got a 1975 FJ40 with factory compression in all the cylinders and it runs great. Stock 6 cylinder? Any ideas?
Some dumb questions, first:
1) Proper oil level ensured? Low oil could do it? 2) Antifreeze & cooling system look OK? 3) Has the sensor/guage been swapped out? Could be faulty?If the cyl>What could cause low oil pressure at the sending unit and the gauge itself
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