OK, when I pulled into my parking spot at school, I noticed that my oil can indicator light had just come on. When I turned it off and back on, the light was gone. I let it run for a little bit to make sure it wouldnt come on and it never did. When I got home, I checked the oil and its perfect. Any ideas?
Oil Light?
- Thread starter desertkj
- Start date
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2003KJ
Member
Check for damage on the oil pressure sensor...should be right around the filter if I remember correctly.
JeepJeepster
Full Access Member
Yea, usually if the light comes on, its just a bad sensor. Dont take it to likely though, the light does have a purpose. O
Sometimes.. \/
Sometimes.. \/Dropped it off at the dealer on the way home today. He said although theres a possibility of it being an oil pump, more than likely it's an oil send sensor (I think he called it). The light came on everytime I stopped and would turn off once I got going.
indieaz
Full Access Member
desertkj said:
Oil pressure sending unit is the name of the part - it's simply the sensor that measures oil pressure. The odds of having an oil pump go out are astronomically low. On these vehicles the sending unit is a simple swap (unlike my vette which requires intake manifold removal #-o ). I'd swap the part myself.
2003KJ
Member
desertkj said:
ummmm 77PSI at idle is WAY too high....
You shouldn't even hit 77 driving down the road....
2003KJ
Member
Cableguy said:
wow...maybe it's just me put 4 seems REALLY low and 80 seems REALLY high...
indieaz
Full Access Member
Well, this doesn't apply 100% to stock engines. But for a built V-8 engine the rule of thumb is at least 10psi per 1,000 RPMs. On cold startup though i wuld expect somewhere around 40-50psi @ idle. That should quickly drop to around 20-30psi when warmed up at idle. Probably around 30-50 when cruising.
Depending on what oil etc. you are using i suppose it could be possible that withint he first 30 seconds of startup whent he engine idles relatively high (around 1,200 rpms) 77 psi would be possible.
7 PSI at idle on oen of our 3.7s would be considered unacceptable to me and would indicate a problem with the engine.
Depending on what oil etc. you are using i suppose it could be possible that withint he first 30 seconds of startup whent he engine idles relatively high (around 1,200 rpms) 77 psi would be possible.
7 PSI at idle on oen of our 3.7s would be considered unacceptable to me and would indicate a problem with the engine.
2003KJ
Member
indieaz said:
That is EXACTLY what I was thinking....
Apparently, DC Engineers think differently. \2003KJ said:
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You may think it's a problem, but the people who designed the motor don't. I'll agree that initial pressure will be higher than 4, but once it warms up (like the book says to do) it really dosen't take much to push some oil around at idle.indieaz said:
IMHO anyways, not trying to argue.
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