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Low oil pressure code when following the olm #4700142
03/19/18 08:04 PM
03/19/18 08:04 PM
Joined: Mar 2013
Posts: 3,298
southern mo
ram_man Offline OP
ram_man  Offline OP
Joined: Mar 2013
Posts: 3,298
southern mo
On my wife 13 dart her oil life monitors seems to go about 7,000-7,500. We have been running synpower 5w40 if we follow the olm it will throw a code for low oil pressure. I saved the code I thought on Alfa obd but now I can’t retrieve it. But it was a multi air vva code and the most common cause was low or dirty oil. The oil wasn’t ever low and we just were following the olm. My 2.4 has never done this but her 1.4 does. When the oil is changed it’s fine so the logical thing would be change it sooner. But is there a different oil that would hold up better? Or another reason it would do this? Any thoughts is appreciated.


2014 dodge dart GT
1995 Dodge ram 1500


Re: Low oil pressure code when following the olm [Re: ram_man] #4700147
03/19/18 08:06 PM
03/19/18 08:06 PM
Joined: Apr 2008
Posts: 37,175
Ontario, Canada
OVERKILL Online content
OVERKILL  Online Content
Joined: Apr 2008
Posts: 37,175
Ontario, Canada
Could simply be a failing sensor. You should have seen the oil pressure gauge on my Mustang when the sender started going bad, LOL! It was hilarious.


2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
Re: Low oil pressure code when following the olm [Re: ram_man] #4700163
03/19/18 08:23 PM
03/19/18 08:23 PM
Joined: Jun 2016
Posts: 2,997
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,997
MN
Sounds a little like the codes thrown for Dodge Chrysler Hemi engines when viscosity gets too low (fuel dilution would do that). P1521 on those Hemi's.

Her Dart's code could be P106B-00-CYLINDER 4 OIL SUPPLY SOLENOID VALVE SWITCH ON TIME OUT OF RANGE, which might be low viscosity at the end of the oil change interval.
Possible causes:
•LOW ENGINE OIL
•INCORRECT OIL FILTER THAT DOES NOT MEET OEM SPECIFICATIONS
•OIL DIRTY OR DETERIORATED (Lack of scheduled oil changes)
•CORRECT VISCOSITY AND WEIGHT
•ENGINE OIL CONTAMINATED (i.e., coolant and/or fuel)

Last edited by oil_film_movies; 03/19/18 08:28 PM.
Re: Low oil pressure code when following the olm [Re: ram_man] #4700171
03/19/18 08:32 PM
03/19/18 08:32 PM
Joined: Dec 2017
Posts: 2,343
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,343
SE British Columbia, Canada
Plugged screen below the oil sensor on GM V-8’s.


If you want the job done right......do it yourself.
Re: Low oil pressure code when following the olm [Re: ram_man] #4700172
03/19/18 08:32 PM
03/19/18 08:32 PM
Joined: Jun 2016
Posts: 2,997
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,997
MN
That said, it could be anything, not just low viscosity. The on-board computer monitors hydraulic pressure in the Multi-Air fluid paths, and when the solenoids activate, pressure must rise fast enough. If not, as in when the hydraulic oil circuit has junk in it, you can get the code thrown.

Re: Low oil pressure code when following the olm [Re: ram_man] #4700234
03/19/18 09:48 PM
03/19/18 09:48 PM
Joined: Jan 2017
Posts: 278
Iowa
Iowegian Offline
Iowegian  Offline
Joined: Jan 2017
Posts: 278
Iowa
You might check for any software updates for the olm.
Personally, i don't bother with the olm.

It is most likely the viscosity. (Oil thinned out) possible due to fuel leakage. But most likely the 1.4 turbo is just hard on oil and you will need to change oil at 5,000 miles instead.

Get a UOA next oil change to find out.


2011 Equinox, 2.4l
2009 Sienna, 3.5l
Re: Low oil pressure code when following the olm [Re: oil_film_movies] #4700268
03/19/18 10:36 PM
03/19/18 10:36 PM
Joined: Mar 2016
Posts: 1,351
toronto
PeterPolyol Offline
PeterPolyol  Offline
Joined: Mar 2016
Posts: 1,351
toronto
Originally Posted By: oil_film_movies
That said, it could be anything, not just low viscosity. The on-board computer monitors hydraulic pressure in the Multi-Air fluid paths, and when the solenoids activate, pressure must rise fast enough. If not, as in when the hydraulic oil circuit has junk in it, you can get the code thrown.

Think the ECU is detecting a multiair reaction time (plotted against a known or measured temp/viscosity curve) and is noticing that it's changed past a threshold during the course of this OCI, due to a possible change in oil viscosity? This is to assume that the ECU relearns a viscosity curve (perhaps based on temp/reaction time) after each OLM reset. As advised, a UOA may shed some light

Re: Low oil pressure code when following the olm [Re: PeterPolyol] #4700517
03/20/18 09:56 AM
03/20/18 09:56 AM
Joined: Jun 2016
Posts: 2,997
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,997
MN
Originally Posted By: PeterPolyol
Think the ECU is detecting a multiair reaction time (plotted against a known or measured temp/viscosity curve) and is noticing that it's changed past a threshold during the course of this OCI, due to a possible change in oil viscosity? This is to assume that the ECU relearns a viscosity curve (perhaps based on temp/reaction time) after each OLM reset. As advised, a UOA may shed some light


No relearning happens necessarily. It might. All they need is a fixed threshold, like "Trip the fault code if the pressure sensor sees less than 14 psi at 300 milliseconds after the solenoid pops open." Fiat-Chrysler engineers might know that indicates something is wrong.

Re: Low oil pressure code when following the olm [Re: ram_man] #4700598
03/20/18 11:34 AM
03/20/18 11:34 AM
Joined: Feb 2015
Posts: 2,201
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,201
Slovenia EU


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Low oil pressure code when following the olm [Re: ram_man] #4700611
03/20/18 11:47 AM
03/20/18 11:47 AM
Joined: Feb 2015
Posts: 2,201
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,201
Slovenia EU
Pages 124-128 all faulty codes...


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Low oil pressure code when following the olm [Re: Kamele0N] #4700617
03/20/18 12:00 PM
03/20/18 12:00 PM
Joined: Jun 2016
Posts: 2,997
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,997
MN
Originally Posted By: Kamele0N

Wrong engine. This discussion is about the Multiair variant. Pressure sensor in the valve actuation unit is the one discussed here, not a generic oil pressure sensor on the filter-pump path.

Re: Low oil pressure code when following the olm [Re: ram_man] #4700619
03/20/18 12:03 PM
03/20/18 12:03 PM
Joined: Feb 2015
Posts: 2,201
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,201
Slovenia EU
Aha ok... Try to edit that link by hand to ...manuals\

Maybe there be more manuals smile


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Low oil pressure code when following the olm [Re: ram_man] #4700651
03/20/18 12:30 PM
03/20/18 12:30 PM
Joined: Apr 2017
Posts: 1,480
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,480
Ontario, Canada
Maybe give the Castrol 0W40 a try?


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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