While driving in four wheel drive, either in.

Tiny
ANONYMOUS
  • 2003 CHEVROLET TAHOE
  • 134,000 MILES

While driving in four wheel drive, either in 4hi, 4lo, or 4x4 auto, after about 20 minutes if driving the oil pressure will slowly drop to 0. After a couple hours and if I switch it back to two wheel drive the oil pressure will go back to normal. I was told it could be a faulty sensor, but I would like a second or third opinion. Any advice is appreciated, thanks.

Saturday, March 23rd, 2013 AT 4:27 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Have a manual test done for the oil pressure to be sure.

It could be a faulty sensor but if it is not, you are doing damage to the motor

Roy

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Saturday, March 23rd, 2013 AT 4:28 PM

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