1993 Toyota Pickup Oil pressure

1993 TOYOTA PICKUP
189,900 MILES • 4 CYL • 4WD • MANUAL
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JESSEG1985
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  • 1 POST
When I am at a stop and just idling my oil pressure drops down into the low range, then when I start to go, the pressue goes back up to normal. I just changed the oil and filter and everything is on tight and the dipstick shows enough oil. Could it be because I used to light an oil (10w-30), should I have used something heavier like 15w-40?
May 9, 2010 at 7:35 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the oil pressure with a mechanical gauge the gauge/oil pressure switch could be misleading you
May 9, 2010 at 10:41 PM
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