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Old 05-08-2018, 10:58 AM
 
186 posts, read 60,507 times
Reputation: 170

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Toyota sludge update.

Toyota sludge update. As a follow up to my sludge mystery posting I'd like to report finding another very important oil filter for Toyota owners to know about. The filter I am referring to is called the "oil control filter" This filter is very well hidden and is smaller then a sewing thimble. The "oil control filter" when clogged is responsible for all sorts of engine problems such as stalling, erratic engine idle, lack of power, excessive fuel consumption, and a host of others. The "oil control filter" is located just under the VVT solenoid which is beside the alternator on my Corolla. See my original posting below which lead me to this search called "Toyota Corolla sludge mystery". The same filter exists throughout the Toyota model line so you will have to find your own and you will be happy you did. The "VVT solenoid" mentioned earlier is also effected negatively by a dirty "oil control filter" and changing mine as preventative maintenance made the car run like new and added 4MPG to my fuel economy. I now have 220,000 and still doing 40 MPG on the interstate. Good luck.
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Old 08-25-2018, 03:19 PM
 
576 posts, read 465,331 times
Reputation: 906
Use mobile1 synthetic oil with half a quart of Marvel mystery oil. change your oil twice a year, right before it gets really hot or cold. Unless you drive mega miles. Or if your car uses oil use MM oil to top off between oil changes. This works for me.
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Old 09-25-2018, 07:30 PM
 
25 posts, read 6,522 times
Reputation: 35
Try this for your corolla Best synthetic oil & capacity with filter for my 2004 TOYOTA COROLLA

I had similar sludge issues and oil consumption on my old camry and used amsoil products which helped my issues tremendously. Mobil 1 also wouldnt be a bad option either. Steer clear from regular oil!
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Old Today, 08:39 AM
 
186 posts, read 60,507 times
Reputation: 170
Default Thank you. You are absolutely correct.

Quote:
Originally Posted by Jam-Man View Post
Try this for your corolla Best synthetic oil & capacity with filter for my 2004 TOYOTA COROLLA

I had similar sludge issues and oil consumption on my old camry and used amsoil products which helped my issues tremendously. Mobil 1 also wouldnt be a bad option either. Steer clear from regular oil!

The problem was with the filters going into bypass mode as stated in the thread earlier because of using lesser quality oil and filter which was my fault. The result was a pan full of material that the oil carried to and through the filters. The problem developed in two ways at that point. Part one was the filter material being inadequate to do the job for the recommended miles between changes (low quality filter). Part two was because of the lessor quality filters failure and going into bypass mode and again repeating the cycle again during cold starts. In the end I had a pan full of engine material the filter was supposed to capture but did not. It was all due to a cheap filters and lessor quality oil that did not do their job. Lucky for me I caught it with an oil light flicker and got curious. At this point my car is approaching 100,000 miles since I have changed to both a higher quality oil and oil filter. So far it's been a total of 230,000 turn the key and go miles. You are right in what you suggest and I thank you. The biggest contributer to engine longevity and any cars doing 300,000 miles easily is just change the high quality oil and high quality filter a little more often then recommended and be consistent. Demonstrations exist all over youtube with filters being dissected and compared providing lots of objective data for filter selection in the future. The same goes for oil. Thanks for the post.
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