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P0552 Code and Milky Oil

 
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Old 27 Jan 2014, 09:12 am
Regular Cruiser
 
Join Date: May 2010
Posts: 131
Default P0552 Code and Milky Oil

Hi, my '03 Cruiser won't start this morning. I checked and got the P0552 code. Oil was low so I put a quart in. A couple weeks ago I noticed a milky substance under my car but didn't look into it even though I should have. When i checked the oil level, the same liquid was on the dipstick. Is this water/coolant mixing with the oil? Does it link to the P0552 code in any way? Going to disconnect the battery to try and clear the code.

I'm fearing the worst
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Old 27 Jan 2014, 09:22 am
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Join Date: Oct 2013
Location: Arkansas
Posts: 10,369
Default Re: P0552 Code and Milky Oil

P0552 - Power Steering Pressure Sensor Circuit Low Input. This likely has little to do with milky-looking motor oil.

This code could be related to the power steering sensor. You might try cleaning the connection contacts on it first. But it is possible to change it our yourself. And you should likely change the fluid when you do it.

Read this thread on the power steering sensor:

Engine light on / Power Steering issue?




Among a few others, milky oil can be due to a blown head gasket or a leak in an water-cooled oil cooler. And I don't believe PT's have a water-cooled oil cooler unless some of the turbos do. Someone else will have to chime in on this. Does your PT overheat sometimes? Or has it overheated in the recent past? And do you seem to loose coolant over time?
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Last edited by Handy_Cruiser; 27 Jan 2014 at 09:26 am.
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Old 27 Jan 2014, 09:23 am
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Join Date: Sep 2013
Location: Deland, fl
Posts: 334
Default Re: P0552 Code and Milky Oil

Lots of short trips and engine does not warm to normal? Water. Is your coolant low? Coolant? Have your oil analyzed to determine condition and look for wear. Check PCV.

Last edited by Gold2006; 27 Jan 2014 at 09:29 am.
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Old 27 Jan 2014, 09:35 am
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Join Date: May 2010
Posts: 131
Default Re: P0552 Code and Milky Oil

Temp gauge never makes it to middle. Even after driving 35 miles one way to work on the interstate. This didn't start until after i changed the coolant in the fall. I do have to add coolant once in a while, not a lot though.
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Old 27 Jan 2014, 10:15 am
Cool Cruiser
 
Join Date: Sep 2013
Location: Deland, fl
Posts: 334
Default Re: P0552 Code and Milky Oil

My pt uses no coolant. So likely coolant in oil. Oil analysis can verify and determine if gasket needs to be changed and engine wear/corrosion. I've got the oil sampling and analysis kit if you'd like.
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Old 27 Jan 2014, 07:04 pm
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Join Date: May 2010
Posts: 131
Default Re: P0552 Code and Milky Oil

Put a quart of oil in and cleared the code. Reluctantly, the car started, and I made it to work and back just fine. Was still at least a quart low so I put one more in and will check again in the morning. Dipstick with new oil wasn't milky...
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Old 28 Jan 2014, 04:57 am
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Join Date: Jan 2013
Posts: 1,266
Default Re: P0552 Code and Milky Oil

bjag; I'd change the PCV valve first and check/wash the little filter in the air cleaner box. And check the hoses. Just like Gold said, ---- and a little further.
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