oil pressure


Asked by Oct 27, 2014 at 05:55 AM about the 1993 Jeep Cherokee 4 Dr Country SUV

Question type: Maintenance & Repair

My wife and I bought a 1993 jeep Cherokee. We are on a fixed income and trying to find answers to problems I may be able to fix myself. When I crank the vehicle, the oil pressure will start at 40psi, but as I drive it will go down to around 18psi and the gauge will only move up a little as I apply the gas. An example of a drive: We went to Wal-Mart, about a 20mile drive, and then shopped for about an hour. When we returned to the vehicle and started the engine there was a grinding noise that dissipated, and the oil pressure was still down to the 18psi and we drove home that way. If we let the car sit for like over night and go out to start the vehicle it will start back out at 40psi. Can anybody tell me what's going on? A solution to this problem would deeply be appreciated. Robert&Donna

2 Answers

Tom Demyan

When you hit the gas or increase the RPM's, does the pressure go up?

Tom Demyan

If you have a grinding noise, I wouldn't suspect the gauge to be faulty, but the pump itself. How is the oil level?

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • no oil pressure 3 answers

    2000 jeep cherokee 4.0. changed the oil pump, checked the mains they look good. start engine cold pressure is up at 40lbs and with in 5 minutes it drops down to 5 lbs. any thoughts

    2000 Jeep Cherokee Classic 4WD


    Maintenance & Repair

  • location of oil pressure sending unit 1 answer

    99 Jeep 4 liter - where is the oil pressure sending unit located?

    1999 Jeep Cherokee 2 Dr Sport 4WD


    Maintenance & Repair

  • What would cause high oil pressure 1 answer

    1999 Jeep Cherokee 4 Dr Sport 4WD


    Maintenance & Repair

  • "Low Engine Oil Pressure" Do I really need a new engine? 8 answers

    So i took my Jeep into the shop today to get it looked over because my oil pressure drops really low when i have it in idle. (which i know is normal but it was really low so i got it looked at) The ...

    2000 Jeep Cherokee 4 Dr Sport 4WD


    Maintenance & Repair

  • Oil pressure 5 answers

    what would be normal oil pressure for a Jeep Grand Cherokee Laredo?

    Jeep Grand Cherokee


    Maintenance & Repair

Search Jeep Cherokee Questions

Jeep Cherokee Experts

#1 Daniel Guillen-Pizzorni
Daniel Guillen-Pizzorni
Reputation 990
#2 swtcat13
Reputation 900
#3 JimRoy
Reputation 820
View All

Related Models For Sale

Used Jeep Grand Cherokee"
1,208 Great Deals out of 73,899 listings starting at $1,593
Used Jeep Wrangler"
464 Great Deals out of 16,410 listings starting at $3,400
Used Toyota 4Runner"
364 Great Deals out of 18,988 listings starting at $2,200
Used Ford Explorer"
1,363 Great Deals out of 71,762 listings starting at $300
Used Ford F-150"
3,272 Great Deals out of 216,641 listings starting at $1,500

Used Cars For Sale

2017 Jeep Cherokee For Sale
29,912 listings starting at $18,573
2016 Jeep Cherokee For Sale
116 Great Deals out of 15,794 listings starting at $15,688
2015 Jeep Cherokee For Sale
141 Great Deals out of 3,755 listings starting at $12,500
2014 Jeep Cherokee For Sale
108 Great Deals out of 2,813 listings starting at $10,900
2001 Jeep Cherokee For Sale
210 listings starting at $4,400