Oil light comes on after restarting hot car - Page 3 - Jeep Commander Forums: Jeep Commander Forum
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post #21 of 22 (permalink) Old 08-05-2019, 11:44 AM
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Join Date: Jun 2014
Location: California
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
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Originally Posted by Big Blue View Post
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Originally Posted by drm4633 View Post
ah...dummy light yes but no messages unless you trigger the dtc code via key switch, right?
I believe that's correct - or if you read your DTC's with a scanner like the Superchip's flashpaq or some other OBD-II Scanning device/software.
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Originally Posted by Creek View Post
Not true, was coming back from dropping wife at airport, got a message and maybe a tone alerting me to an oil pressure problem. Pulled into a parts store. I checked oil level all was well. Turned out to be a bad oil senor.
I was going to agree with Blue as that's all I've ever seen, but after Creek's experience it sounds like we have many opportunities to be well informed about a pressure switch issue...as an actual oil pump issue is much less likely
The low oil pressure idiot light is only triggered around 1psi or less of pressure, so that's already dangerously low if there is a real oil pressure issue...

I do know the Hemi's will throw a code for wrong oil viscosity, and it has various oil pressure codes in relation to MDS activation (ie: oil pressure too low to activate MDS for a period of 5 minutes ). Not all of them trigger any lights, though.

2006 Dark Khaki Limited, Hemi, QD-II w/ all the options.
Inertia Performance Heads, Full SRT 6.1 Valve Train, Custom Crower Cam, Double Roller Timing Set, Trend Performance forged Pushrods, High PSI Oil Pump, ARH Long Tube Headers and Mids, Borla Catback, aFe Stage 2 Intake, AEM X-Series WB UEGO & 100psi Oil Guages, PowerStop Drilled & Slotted Rotors, MDS On Light, Kenwood in-dash Nav, HID Projectors and full LED lighting upgrade

Need to get it on a dyno....
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post #22 of 22 (permalink) Old 08-06-2019, 11:21 AM
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Join Date: Oct 2015
Location: East Coast of Florida
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Originally Posted by Creek View Post
Not true, was coming back from dropping wife at airport, got a message and maybe a tone alerting me to an oil pressure problem. Pulled into a parts store. I checked oil level all was well. Turned out to be a bad oil senor.
Good information, thanks for sharing.


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