Oil Preasure Pegged
10-31-2009, 09:17 AM
#1
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Year: 1999
Model: Cherokee
Engine: 4.0 HO
Oil Preasure Pegged
Why would my oil preasure be pegged on 80 wether it is or isnt running? It just pegged out on my way home today. Why would it? Is it going to hurt to drive it to autozone? It runs the same, it just pegs out the oil meter.
10-31-2009, 09:42 AM
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Year: 89
Model: Cherokee
Engine: 4.0
I have found when it is pegged it is the connection to the sending unit,if it is at 0 all the time it is the sending unit it self. Mine pegged and the wire at the sending unit broke,I just put another connector on it.
10-31-2009, 10:13 AM
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Year: 1998
Model: Cherokee (XJ)
Engine: 4.0
Sounds like your sending unit either gave up the ghost or you wiring is grounding out. If your wiring grounds out it will peg the gauge.
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10-31-2009, 10:14 AM
#8
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Year: 89
Model: Cherokee
Engine: 4.0
If you have an idiot light and a guage,The one on the filter housing will be for the guage,which is not the switch,the switch would be used for the idiot light.
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