engine oil problem - JeepForum.com
 
LinkBack Thread Tools
post #1 of 15 Old 05-13-2013, 07:58 AM Thread Starter
homerx
Registered User
1993 ZJ 
 
Join Date: Sep 2011
Location: centereach
Posts: 176
engine oil problem

Hi guys so I have a new problem that I can't seem to find any info on it starts around the time the its due for an oil change. I turn the truck on and drive to the gas station turn it off oump my gas and turn it back on and it says low oil. I let it sit and check it and oil is fine. Happens all the time till I do an oil change, and only if I turn it off and on in a short time span.

homerx is offline  
Sponsored Links
Advertisement
 
post #2 of 15 Old 05-13-2013, 08:41 AM
speedbucket
Registered User
1993 ZJ 
 
Join Date: Jan 2011
Location: chesapeake
Posts: 3,562
Could be the Vic but I would guess the oil level sensor on the passenger side of the pan just forward of the starter

http://www.jeepforum.com/forum/f22/speedbuckets-zj-build-1361322/
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
speedbucket is offline  
post #3 of 15 Old 05-13-2013, 09:18 AM
zjosh93
Registered User
1993 ZJ 
 
Join Date: Aug 2010
Location: Austin
Posts: 1,977
What weight oil are you using? Mine did that when I ran 20w50 oil if I was even a little bit below the middle of the do not add oil range on the dipstick. It was thick enough that after a short trip the oil wouldn't all drain back into the pan before I'd restart it if I wasn't gone long. I'd get the "Check Engine Oil" warning. Now I run 15w40 Rotella and it only does that when I'm right at the lower mark of the correct range on the dip stick.

Start up your engine cold and let it run a minute. Shut it down and check the oil right away. I bet it reads low on the dipstick. I bet you have a small leak or are burning oil and when you change the oil you get enough oil to fix the problem until enough leaks out again.

If your oil is the correct thickness and your oil level isn't low you may have partially blocked oil drain back holes in your head.
zjosh93 is offline  
post #4 of 15 Old 05-13-2013, 12:14 PM Thread Starter
homerx
Registered User
1993 ZJ 
 
Join Date: Sep 2011
Location: centereach
Posts: 176
I use 10w30 synthetic oil. And I out lucas oil stabilizer as well.
homerx is offline  
post #5 of 15 Old 05-13-2013, 12:17 PM Thread Starter
homerx
Registered User
1993 ZJ 
 
Join Date: Sep 2011
Location: centereach
Posts: 176
And ya I am burning oil that's y I use 10w30 and a very small rearman seal leak
homerx is offline  
post #6 of 15 Old 05-13-2013, 12:29 PM
speedbucket
Registered User
1993 ZJ 
 
Join Date: Jan 2011
Location: chesapeake
Posts: 3,562
Well then top it off from time to time. Mine gets low every 2 weeks or so. Heed the dummy light warning

http://www.jeepforum.com/forum/f22/speedbuckets-zj-build-1361322/
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
speedbucket is offline  
post #7 of 15 Old 05-13-2013, 12:37 PM
PolkaPower
Registered User
1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss
Posts: 19,244
Maybe your plenum gasket is shot and you are burning oil.
PolkaPower is offline  
post #8 of 15 Old 05-13-2013, 02:20 PM
ratmonkey
R.I.P.
 
ratmonkey's Avatar
1997 ZJ 
 
Join Date: Dec 2006
Posts: 19,793
oil level sensors are notoriously unreliable. that's why they were only on 93's.

then we've got the guy running circle track race car oil. if you need 50wt to get any oil pressure, it's time to call it a day on that engine and get a rebuild.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

ratmonkey is offline  
post #9 of 15 Old 05-13-2013, 02:31 PM
speedbucket
Registered User
1993 ZJ 
 
Join Date: Jan 2011
Location: chesapeake
Posts: 3,562
Quote:
Originally Posted by PolkaPower View Post
Maybe your plenum gasket is shot and you are burning oil.
i know mine is, hughes kit and tune up sitting there collecting dust until i finish making my new suspension
Quote:
Originally Posted by ratmonkey View Post
oil level sensors are notoriously unreliable. that's why they were only on 93's.

then we've got the guy running circle track race car oil. if you need 50wt to get any oil pressure, it's time to call it a day on that engine and get a rebuild.
did not know it was only 93's, i have " '92 " stamps on alot of parts that came off my 93. i haven't even looked to see if you can get the replacement sensor. mine just may get a plug if it leaks anymore than it already is

i was gonna leave that alone, he can probably step it up to gear oil in a few months

http://www.jeepforum.com/forum/f22/speedbuckets-zj-build-1361322/
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
speedbucket is offline  
post #10 of 15 Old 05-13-2013, 02:55 PM
zjosh93
Registered User
1993 ZJ 
 
Join Date: Aug 2010
Location: Austin
Posts: 1,977
Huh. My oil level sensor works perfectly. The VIC too. I get a low oil light, check it, and the oil level will be just at the bottom hatch.

Odd though, when I replaced the rear main seal I found an oil level sensor connector and wires clamped between the oil pan gasket and the block. My harness is fine, no weird splices or anything. Didn't even leak and everything *looked* factory. Of course it could have been a fifteen year old repair by the time I bought her.
zjosh93 is offline  
post #11 of 15 Old 05-13-2013, 02:59 PM
zjosh93
Registered User
1993 ZJ 
 
Join Date: Aug 2010
Location: Austin
Posts: 1,977
Rockauto has the oil level sensor for about $35.
zjosh93 is offline  
post #12 of 15 Old 05-13-2013, 03:11 PM
KoreaZJ
Registered User
1994 ZJ 
 
Join Date: Aug 2011
Location: GANGNAM STYLE
Posts: 2,666
Quote:
Originally Posted by zjosh93 View Post
My oil level sensor works perfectly. The VIC too. I get a low oil light, check it, and the oil level will be just at the bottom hatch.
Same for my 94, sensor has always worked good. Does give a false warning when parked on a steep hill.
KoreaZJ is offline  
post #13 of 15 Old 05-14-2013, 04:06 AM Thread Starter
homerx
Registered User
1993 ZJ 
 
Join Date: Sep 2011
Location: centereach
Posts: 176
Ok well last I check all parts on a 93 are stamped 92 cause its built a year before.
I would stop at deisal oil and rebuild. Looks like I just have to top it off evey 3 months till it finally goes. Its a strong engine 200k. Or ill change the sensor and see what happeneds. Thanks guys.
homerx is offline  
post #14 of 15 Old 05-14-2013, 05:23 AM
speedbucket
Registered User
1993 ZJ 
 
Join Date: Jan 2011
Location: chesapeake
Posts: 3,562
Quote:
Originally Posted by homerx View Post
Ok well last I check all parts on a 93 are stamped 92 cause its built a year before.
I would stop at deisal oil and rebuild. Looks like I just have to top it off evey 3 months till it finally goes. Its a strong engine 200k. Or ill change the sensor and see what happeneds. Thanks guys.
That won't kill it anytime soon. Look into plenum repair and that thing will go to a long time. I just rolled 270k and the last 50k have been post lift/off road abuse and mines still strong. Just stick to 10-30

http://www.jeepforum.com/forum/f22/speedbuckets-zj-build-1361322/
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
speedbucket is offline  
post #15 of 15 Old 05-14-2013, 09:12 AM
zjosh93
Registered User
1993 ZJ 
 
Join Date: Aug 2010
Location: Austin
Posts: 1,977
Most people using diesel oil are using it for the extra additive package not for added viscosity. I use Rotella 15w40 and it stays clean longer and quiets my lifters. 15w40 isn't any thicker than 10w40 when hot and 10w40 is recommended in my owners manual for hot climates like Texas.
zjosh93 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome