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Ideally you want diagnostic equipment to give you the coolant temperature reading, or failing that just measure the sensor's resistance when hot and compare to another vehicle - seems a waste of time and effort changing parts if you don't know they are faulty. It could also be worn oxygen sensors making the engine run a little richer than it should. MAF sensor needs cleaning: http://www.lexusownersclub.co.uk/forum/tutorials/article/103-rx300-series-i-cleaning-maf-sensor/ Check the temperature of each wheel after a run, is one hotter than another which would point towards a sticking calliper.

This, can't be h&s as branding is clear and not sure anyone has 2nd cats removed. Be interested to know if it is h&s. Stu Having taken the time to find Sean's newbie post, I noticed he's based in South Africa! ;) Very, very, unlikely this is an H&S system. Glad to hear it's done the trick though. :)

OK, OK, should be 2014. Silly boy!

Sounds pretty good to me, especially less than £1,000 of fuel for 900 years of motoring! As you say, the price of fuel now makes a big difference.

Well, yesterday I managed to replace the damaged studs and clean the inside of the wheels, turns out there was 5 wheel studs I wasn't happy with... And I put all my new wheel nuts on. Also cleaned the seats and put my new covers on! Once I get a break in the weather I'll go to town on the discs and some more detailing

Thanks Hoodrich! Not much development over the past wee while, 2 new front tyres and 2 ruined wheel studs that the last owner never informed me about, so in the next few days I will be doing a few things 1) into the garage, wet vac seats, put heater through window 2) remove wheels and superclean inside 3) remove discs and paint drum part and calipers 4) change any studs 5) put new wheel nuts on 6) put new seat covers on 7 ) have a cup of tea