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Found 6 results

  1. Hey Guys, I hope all is well, I am a big fan of this forum as it has helped me massively over the last two years of being a proud IS250 owner. I was driving home yesterday and the dreaded VCS light came on, no difference in driving by the way as I was on a dual carriage way (No limp mode or anything). I connected my OBD2 reader and found 2 error code the first is P0031 HO2S Heater control circuit Low Bank 1 Sensor 1 - which is worrying as I put a new denso oxygen sensor in bank1 sensor 1 in sep15 (after code of P2195). The second said No codes are stored in the module! Before I take it to my Independent garage, I thought Id get some advice from you guys as a starting point. Kind Regards, Mo
  2. Been doing a bit of digging to find the relevant info on the air/fuel (A/F) and oxygen (O2) sensors fitted to our vehicles. Essentially, on the is250, there are four to be considered. There are 2 Upstream sensors (Bank 1 Sensor 1 and Bank 2 Sensor 1) and 2 Downstream sensors located after the cats (Bank 1 Sensor 2 and Bank 2 Sensor 2). The engine is a V6 configuration ( sorry to say the proverbial, but needs must) so we have two Banks of three cylinders. Viewed from the front of the car the bank on the left is Bank 1 and the bank on the right is Bank 2. Found this to help clarify if anybody not sure. See below at A ... sorry, all went out whack when I uploaded it all!! The A/F sensors are good, generally speaking, for 80,000 mls or so. Lexus recommend changing between 80 and 100,000 (but they may last longer). The oxygen sensors are very important because they monitor the air/fuel ratios and exhaust of the engine, so if they fail more pollutants can be released into the atmosphere. This can also cause the engine to run into serious problems including a compromised catalytic converter. You may feel erratic acceleration, notice a bit more smoke from the exhaust, smell a petrol odour, notice your mpg start dropping and if one fails completely you'll get light up on the dash with Check VSC warning. Then you'll need to get the codes read to pinpoint the problematic one (assuming it is indeed a O2 sensor). Here is another bit of info i found which is a TSB from Lexus. This is handy as it relates to all of the Lexus vehicles. This clarifies further the individual sensor locations. See below at B I'm just about to do my 2 Upstream sensors (precautionary move .... as I've noticed a tad more smoke and slight smell of fuel, plus I'm on 74,000 mls) as Lexus will want around £650 to fit them and they are not that tricky to do your self. Newbie has done 2 splendid guides on how to do with excellent photos. Denso are not the most helpful to the UK market but the sensors can be sourced from Rockauto in the USA at much cheaper prices. Import Tax is a grey area ... sometimes you get away with it and sometimes not!! Currently, the sensors are £70-90 from Rockauto (may improve, who knows, the Dollar rate is not brill at the mo ... but heck they're still a darned site cheaper!) or anywhere around £240 each in the UK. Incidentally, while I'm doing these jobs I shall change the PCV valve too (easy to do while doing Bank 2 Sensor 1, having made the space to get at it!!). Again, got that at same time from Rockauto for £5.40 where Lexus want £26. The PCV valve being gummed up can lead to a bit more exhaust smoke. Out of interest here are Newbie's guides relate to his 2007 model. Newbies guide for Bank 2 Sensor 1 is within the above post. This is the best place to look as all the photos are present. Unfortunately much has gone awry in the "How To" section after the last forum update .... most pictures have vanished. If i discover any differences on a 2010 model I'll put up a walk thru with pics. The only thing I've found thus far is that the sensors have a different reference number. Maybe some modifications were made to the facelift version. The Bank 1 Sensor 2 and Bank 2 Sensor 2 units are tricky'ish to do as they are essentially under the floor and will require lifting of carpets and moving of seats to get at as they the looms pass through the floor of the car via a weather proof grommet to connect into the exhaust pipes. I hope that info is of use to some of you. Happy New Year to all and here's hoping 2017 will be a good one for all. Right, need a cuppa now!! A B
  3. Greetings good people, I need to change my bank 1 sensor 2 oxygen sensor and I was wondering what Denso oxygen sensor to buy? I have called about five Lexus dealerships and quotes are between £170 and £250 per sensor. Three dealerships confirmed the part number as 89465-48180, while two said they cannot divulge part numbers. A while back, I read on one Lexus forum that some RX300 owners were having luck with the Denso 0243 oxygen sensor. I just wondered if this sensor will actually do? If not, I would appreciate information on the right Denso sensor. Thanking you all in anticipation of your helpful responses. - Twinkle
  4. Hello everyone, currently my car requires two oxygen sensor's both of them does not give a resistance anymore and make the foult to appear. I have another 2 two that i used before but the voltage they give me when heated is too low and their are bad aswell! I have 4 another sensors and they good, but all them 4 are for the very back of the engine, and i don't know if i can to shorten them and put on the closer to cyl 1 bank 1? Are they give the same voltage and has same resistance? I am also looking where could i buy them new is there any good location to get them? Toyota wants 600 Euro its a bit not in my price range. Other part shop's looking 300euro but don't know if they are any good. Thank you for any info provided.
  5. Sooo, I'm a newish 2007 GS450h Lexus owner, and have got a few error codes appearing on her :( They are as follows: Am I right in saying, these are all just a dodgy bank 1 sensor 1 (engine bay) and possible sensor 2? Is replacing them myself feasible? I'm from the UK so would want to import Denso sensors from the US (OE parts but way cheaper?)? I have to figure out the part numbers first, unless anyone here knows what they are? It seems like a lot fewer people have embarked on this job with the GS450h than they have other models, so any advice would be amazing!
  6. keeprighton63

    2001 Gs430 Parts Enquiry

    Can anyone advise where to get the following items plz, Bank one sensor one (LHS of engine I assume?) oxygen sensor. Denso pno 89465-50120. Also RHF ABS sensor. Part numbers and contact details would be helpful. Many thanks Pete.