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2007 Jeep Wrangler Rubicon 4WD 2dr

2007 Jeep Wrangler
Trim Info:
4-Wheel Drive, 2 Door, 4WD Sport Utility Vehicle
17 mpg city / 19 mpg hwy
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November 7, 2012, 3:55 pm

Jonathan G
 

Question: Jeep would stall out due to low oil pressure and now only stays started for 1 second of acceleration

Recently bought 1989 Jeep Wrangler--

Drove perfectly fine for 5 hours on the highway, then started sputtering after stop signs/lights once I got into my city.

Later that night, stalled out when at idle because of low oil pressure (I had high mileage oil in it, after stall outs I took to local mechanic, and he said to switch to a thicker oil, try and if it doesnt work, try oil sending unit, then oil pump. I drained and switched to 10W40 oil to have thicker oil)

After that trip to the mechanic....

This morning, had trouble starting, but drove to work. After work, I went to drive home, and 1 second into accelerating, it stalled. Restarted the car and the same thing happened. after 5 times of this, it started and was able to drive home (I live 1 minute away from work so it was mostly coasting)

Thoughts? Oil Sending Unit? Oil Pump? Other?


November 20, 2012, 4:44 pm

Elizabeth K
Expert Mechanic

I agree with your mechanic regarding the troubleshooting recommendations. But 10w40 is not usually considered a viscous oil, so you may actually have switched to a less viscous one.

Have the sending unit tested ASAP, and if that doesn't cure the problem, have the oil pressure checked using an external gauge. If you actually do have low oil pressure, driving it may do some serious harm.


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