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Old April 18th, 2007, 11:58 AM   #1
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Default checking oil pressure in a dakota

it's a 96 dakot sport with a 3.9 and 85k on original motor the idot gage keeps droping to 0 and the light comes on is there a another way to check the pressure? thanks aron
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Old April 18th, 2007, 02:33 PM   #2
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Pull out the sending unit, screw a mechanical gauge into the hole, start the motor, look at the gauge.
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Old April 18th, 2007, 04:19 PM   #3
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i know nothing where is the sending unit? or what does it look like
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Old April 18th, 2007, 05:09 PM   #4
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most are located by the distributor (on the top of the block behind the intake) as for what it looks like you can look one up at autozone or some other parts web sight.

they are only like $8 for a sensor if I recall and a mechanical gauge can be $$$.

also check your oil, if that is low or thin it can make the oil pressure fluxuate
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Old April 18th, 2007, 05:29 PM   #5
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this is what happened. i took it to a shop (a freinds freind) to get it put on a computer because it broke down when he was use'n it so a cupple days go by and they call and say it's all done 02 censer a rad flush and tune up. half way home the check light comes on a mile later the oil light dropes to 0 and it starts to spudder when when i get off the e way so i check the oil and there is 2.5 quarts too much!! i drain it all and put the right amount in but now i have this problem. so oil is good now but i'm shure there is damage done. so i wanted to do one check at a time. thanks aron
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Old April 18th, 2007, 05:53 PM   #6
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if this happened on the way home from the shop you should have called them to send a flat bed and fix it the right way so you wouldn't have to call your lawyer. I hate shops!

in a tune up on my magnum V8 its easy to break the oil pressure sending unit but that will let all your oil come flying out (will empty the engine in seconds). if the check engine light is on have it scanned, sounds like a crank/cam sensor. How does the exhaust look? is it blue? white? black? is it knocking? clicking? rattling?

when you run it now do you get oil pressure? if so when does it drop? during acceleration? Stopping? hard turns? any of those would indicate low oil level.

I suggest reading your codes, since its a DC product you can hit the key 3 times and it will flash the codes in the check engine light.

this will help with reading the codes.
http://www.allpar.com/fix/80s-codes.html
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Old April 18th, 2007, 06:02 PM   #7
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are you sure there was only oil in there? not some coolant too?
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Old April 18th, 2007, 06:05 PM   #8
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sounds like a coolant thing to me not even a quicky lube would do that i dont think atleast...?
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Old April 18th, 2007, 06:18 PM   #9
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Ive heard things about places and oil, plugs being left out, engines being way over filled.

cracked or warped heads that fill the pan with that much coolant I doubt the engine will run at all. magnums are famous for cracking heads, mention them to a machinist and watch him flinch.

You generally don't get coolant in the oil, you get oil in the coolant because the oil system is at a higher pressure level.

hm, what was the temperature level when it started to sputter? and find out why they flushed the radiator. What does the inside of the radiator look like? whats the coolant look like? what does the oil look like?
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Old April 18th, 2007, 06:37 PM   #10
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i will add those to the questions for the shop when they take my calls!! as for the pressure it goes to 0 when i stop or let off the gas it sputters when i'm in stop & go or warming up in the morning. as for the flush they said it was dirty and low.
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Old April 18th, 2007, 08:46 PM   #11
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sputter might be a temperature sensor, checks your codes.
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Old April 19th, 2007, 12:44 AM   #12
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freak- way to go on the questions.. i think youve covered it pretty much.. id take it back to the shop and make them fix it..
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Old April 19th, 2007, 04:26 AM   #13
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it will never see that place agian!!!!
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Old April 19th, 2007, 04:29 AM   #14
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and thanks freak i'll chek codes when i get home.
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Old April 19th, 2007, 07:47 PM   #15
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Quote:
Originally Posted by noodles View Post
freak- way to go on the questions.. i think youve covered it pretty much.. id take it back to the shop and make them fix it..
can only make them fix it if you can prove its a related problem but I would be leery of any shop saying my radiator needs to be flushed, but then again I do that yearly (thanks to busted hoses blown gaskets or just bad radiators) and my truck will never see the inside of a shop unless I work in it.


You have to remember sometimes codes don't indicate the broken part, some times they just point to whats wrong.
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