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Lexus ES Engine Questions

53 messages,  Last post on Jun 07, 2009 at 10:55 AM

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What is this discussion about? Lexus ES 330, Lexus ES 350, Lexus ES 300, Engine, Sedan

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#47 of 53 Re: engine sludge problem [aub789] by jason1999 Mar 02, 2008 (11:32 am)
Replying to: aub789 (Mar 02, 2008 10:58 am) Aub789...I do not feel that anyone could tell you if the car had this problem in its history (assuming its has already been corrected). My vehicle informed me pretty easily of the problem.....Cold startups revealed a nice little poof of bluish smoke from the exhaust. In addition, the car drank oil to no end. I was not even able to travel 300 miles without the low oil light illuminating on the dash. If your car has any of those 2 signs, then likely its a current problem. Once my problem was corrected (36000 miles ago) I have not had any of those signs. I change the oil every 5000 miles. I understand that you may be able to see oil gelling/gunking up in the oil reservoir, or on the underneath side of the removable cap if it is a problem, though that was not the case for me when it happened. Keep in mind, a 2001 would just be hitting the limit of Lexus's goodwill gesture, as it is valid from 8 years of original purchase.
#48 of 53 engine sludge problem by aub789 Mar 02, 2008 (7:31 pm)
jason1999... thanks for the comments. Should I assume any 2001 ES300 has the basic engine defect causing the problem, and therefore is risky, or could I assume if the car already has 60-70k miles the problem either does not exist for this particular vehicle, or has been corrected? By the way, what was the correction that resolved the problem for your vehicle 36k ago? Replies to this message: jason1999 (Jun 19, 2008 7:17 pm)
#49 of 53 '00 ES300 issues by 2000es300mn Jun 19, 2008 (6:21 pm)
I've owned my 2000 ES300 for 4 years now (after having my '95 es300 totaled after 6 weeks of ownership..gotta love that toyota retail value), and a few issues I've had I wanted others to know about and a couple of questions I'm hoping to get answers for. I should mention that I bought the car in 2004 with 142000 miles on it and it's now just over 195000. I have regular 3-4k oil changes, all recorded, and I'm taking the car in on Tuesday to be checked for the sludge issue just to be safe but I don't think that it's effected my car...I hope .   Current Problems: 1. In hot temperatures (75-80 degrees or above) in city traffic when I have the AC on, the temperature gauge can get right up to the overheat zone so, I'll intermittently turn the AC off to get it to go back down. And a few times I had to turn the temperature to HOT and the fan on High and it brought the engine temperature back down to where it normally sits, which is just below the middle line. This started last fall in '07 but had no issues during the winter months. My mechanic thinks I should replace the radiator thinking there's crystallization build up causing the issue. Someone else thinks its just the thermostat. Any thoughts out there?   2. I've also started noticing a lack of gusto from the engine when the AC is on. Any one else have this issue and know why?   Past Problems: 1. I've had 2 cylinders replaced due to what my mechanic claims was a burnt out coil. Supposedly water somehow got into the cylinder and the coil corroded and 'spun out'. I'm afraid that this is going to happen again and at $300 a pop, not cheap. The symptoms were the CEL flashing and the car dropped in speed, barely being able to do 10-20mph along with chugging and no response when you tried to press the gas.   2. The current CEL code (for several months now) had been that the Catalytic Converter isn't working as well as it should and so, in the infinite wisdom of Lexus Thinking, the Traction Control is disabled. Which bites in the winter time here in MN. ha!   3. The previous owner rarely changed the transmission oil and it was severely burnt when I purchased it. My mechanic has been keeping an eye on it for me and I'm nervous that it might go out in the next year or so as it will tend to slip in the cold weather when I first get going or even when I yield for stop signs that are on a decline and flatten out or go uphill.   Hope this post helps others and that others can help me out. I know this was long but I though it necessary for the public's use.   I'd love to keep this car running another year at the least! Any suggestions and thoughts are welcome! The car get's all kinds of compliments and people are surprised by the high mileage and think it's only a couple years old!
#50 of 53 Re: engine sludge problem [aub789] by jason1999 Jun 19, 2008 (7:17 pm)
Replying to: aub789 (Mar 02, 2008 7:31 pm) Aub789...Sorry I didn't see your question earlier...I know its months later and you have likley already figured things out......but if the car has 60-70K on it and you dont have any history on the car, then there certainly is potential that the oil gelling problem could arise at any time...or never at all. From what I understand, if somewhat regular oil changes and maintenance is performed, the huge majority of toyota vehicles never experience the oil gelling. If lexus had already fixed the problem, if that particular vehicle had one, then Lexus could pull that information up by the VIN number. I don't have the invoice in front of me, but from what I remember many engines parts were removed, including the oil pan, and thoroughly cleaned inside to out. They kept the car for 3 days or so...and gave me a rental.
#51 of 53 Re: Engine Ring Replacement? [shello] by wwest Jul 05, 2008 (7:01 am)
Replying to: shello (Jun 07, 2007 11:04 am) You NEVER had an indication on the instrument panel that the oil was low yet you put 4 quarts of oil in the engine...   NOT GOOD.   Oil contamination and fouling of the plugs could be a direct result of over filling the engine with oil. Not only that, subsequent failure of the oil rings could have also resulted from over filling.   In other words.   "you screwed the pooch...!!!"
#52 of 53 O2 Sensor by erichn Jun 07, 2009 (10:55 am)
O2 sensor heater Bank1 Sensor 1 Code PO135 Can anyone direct me to location of this sensor? erich

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