Oil Pressure Drop while driving

Asked by Nov 15, 2017 at 02:41 PM about the 2006 Chevrolet TrailBlazer

Question type: Maintenance & Repair

I was driving about 60 MPH  the oil pressure gage dropped to 0.  It started to come up again,  the dropped again.  I pulled over and shut the engine off.  (4 minutes later)  When I started it up again  the pressure was back at 40.  No warning light came on.  I did have a problem where the oil light came on and the sensor said no oil pressure,  but the pressure was holding at 40.

6 Answers


Have you actually pulled out the dipstick and checked the oil level?

2 people found this helpful.

Was the engine bogging out or rpm's dropping or was there a power shortage like a short as these can affect the appearance of the gauge cluster's readings. Like already said above, What is the oil level on the dipstick saying?

2 people found this helpful.

I check the oil and it was low and needed to be changed. I put some oil in and just took it and had the oil changed. They said it look good no leaks, and its seems to be running fine now. I have a long drive tomorrow. Hope its fine now. The car does have a few glitches every once in a while.

Thank You both for the help.


Sounds like you dodged a blown engine. Thanks for the update.


Keep an eye on the light, if the pressure does that again, with all 7 quarts of oil still in there, then it's your oil pressure sensor. Easy fix.

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