PO6DD code need some help please - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 8 Old 11-30-2018, 09:54 PM Thread Starter
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PO6DD code need some help please

I need some help! I'm getting the PO6DD code on my 2012 3.6L which is the oil pressure code for the 2 stage oil pump. I can clear the code and go almost a day before it comes back and limits me to 3500 RPM or less. I have searched the internet and this site and need to see who has had this issue and the fix? I have purchased a MOPAR oil filter as suggested and the engine oil level is perfect. I'm reading it can be the filter, pressure sensor, the oil pump or the O ring on the oil pickup tube in the pan. I was thinking about doing the sensor first as it's the cheapest part although the labor is over $200 due to the location of the sensor under the intake! Poor design for a part that may need replaced at some point. If the sensor doesn't work then what? Any and all suggestions would be appreciated as I have a trip planned for Sedona in early January. Thank you
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post #2 of 8 Old 12-01-2018, 08:01 AM
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If I had to guess I would say it's the oil pressure switch. If you havent replaced the oil filter housing yet it might be time to replace it as well. The good news is the new housing comes with new switches.

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post #3 of 8 Old 12-01-2018, 08:18 PM Thread Starter
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I got a good look at it tonight and it’s dry in the valley so I don’t think it’s leaking. I’ve looked at doing the repair myself and it looks like quite a job. I’m thinking it’s just the sensor but once in there it makes sense to replace that entire assembly and update it to a 14 plus to use the newer filter. Also do the spark plugs too. Just not sure I want to tackle this myself.
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post #4 of 8 Old 12-02-2018, 08:48 AM
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It looks harder than it is. You need an inch pound torque wrench for putting it back together. It took me 2hours to do but I'm experienced. It would probable take an unexperienced person 6 hours.

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post #5 of 8 Old 12-02-2018, 09:04 AM Thread Starter
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Quote:
Originally Posted by rich6700 View Post
It looks harder than it is. You need an inch pound torque wrench for putting it back together. It took me 2hours to do but I'm experienced. It would probable take an unexperienced person 6 hours.

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Good to know! I think I'll leave it to a professional! Appreciate the advice
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post #6 of 8 Old 12-04-2018, 08:25 PM Thread Starter
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Got it to my mechanic today. He pulled the intake off and the filter housing was not leaking at all. The valley was dry as a bone. He replaced the pressure sensor with a new Mopar one. He told me it looks like a completely different design so we're hoping it's an upgraded one that will last more thank 58k. He scanned it to read oil pressures, oil temps, and coolant temps and all checked out. He road tested it and no CEL. I'll pick her up tomorrow and see how she does. Thanks again for the replies and advice.
Justin
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post #7 of 8 Old 12-04-2018, 10:08 PM
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Quote:
Originally Posted by jscribn1 View Post
Iím thinking itís just the sensor but once in there it makes sense to replace that entire assembly and update it to a 14 plus to use the newer filter.
By any chance, do you still have the part # handy of the upgraded oil/coolant assembly you used? I know the older versions are notorious for cracking if the oil filter is screwed in too tight.

Thanks in advance...
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post #8 of 8 Old 12-07-2018, 09:19 AM Thread Starter
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Originally Posted by DJ1 View Post
By any chance, do you still have the part # handy of the upgraded oil/coolant assembly you used? I know the older versions are notorious for cracking if the oil filter is screwed in too tight.

Thanks in advance...
I didn't do the entire assembly as my mechanic didn't feel it needed it. There were no leaks so we did just the sensor.

On another note the CEL is back so I'm not sure where to go know other than the oil pump. Just doesn't make sense to me, I feel a mechanical, chain driven oil pump shouldn't be inttemittent, if it goes out it goes out. Am I wrong in thinking that? I just don't want to drop another $700-$1000 at it hoping that'll fix it.
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