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1992 Dodge Truck Low oil pressure at idle

Tiny
TRPRP5
  • MEMBER
  • 1992 DODGE TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Once engine warms up, when you come to an idle the oil pressure drops and oil light flashes on and off. I am running 10w-30 Pennzoil in it and I only run Shell V-power gas in it. Should I go to a 20w -50 oil to correct this.

Thanks

Brad
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Sunday, June 21st, 2009 AT 12:26 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,858 POSTS
There have been a lot of problems with the sending units, but they usually affect just the gauge, not the light. Start by measuring the actual pressure with a mechanical gauge.

Caradiodoc
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Wednesday, June 24th, 2009 AT 1:59 AM

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