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Everything posted by Farqui
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Bob, I would have been as shocked as you if I got that reaction and can understand why you feel stunned. My family reacted quite differently when I got my Lexus, they were pleased. I think the replies have covered all the angles and that you should be proud in your purchase. It's not your fault if they perceive you as the black sheep, instead perhaps they should review how odd they are reacting. While they sort themselves out, enjoy your Lexus.
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Pictures of my baby
Farqui replied to Dell W's topic in Lexus IS 250 / Lexus IS 250C Club / Lexus IS 220D & IS 200D Club
I can understand why you like your Lexus, I owned a Honda before and haven't looked back. Thanks for the pics, you've a fine looking car there [emoji106] Enjoy. -
buying a 2010_2012 rx450h
Farqui replied to needy1's topic in RX 300 / RX 350h / RX 400h / RX 200t / RX 450h+ / RX 500h Club
On the whole hybrids can be serviced without specialist knowledge. If you have any concerns then theres a very knowledgeable indi just up the road from you http://www.lex-tekautos.com -
The short term trims appear to working as expected, which suggests that the o2 sensors are good. I can't see any exhaust leaks but it's really tight up at the manifold and the top o2/afr sensor. I disconnected the battery for a few minutes which reset the long term fuel trims and then logged a test drive (logging more sensors). After a few minutes to settle it confirmed that bank 2 is still adding a bit more fuel but less so now, dropped 3% on average. I was also able to see the LTFT bank 2 dropped significantly on WOT, which wasn't as obvious before. This type of drop in over fuelling suggests a vacuum leak, so I've ordered a new inlet/surge gasket. Reading up online at Toyota v6 issues, a vac issue maybe caused by a duff PCV - which was recently replaced. I have a decent trip at the weekend, so will see how the long term trims settle down after a few miles/hours.
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Crumbs, you don't hang about!
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I had a brief drive at lunchtime and logged fuel trims via Torque, not something I've tried before. I see bank 2 long term fuel trim is on average 7.4% higher than bank 1. LTFT bank 2 max'd at 16.4% vs 9.4% for bank 1. 20% seems to be the limit where a CEL will be thrown. LTFT bank 2 averaged 9.1% vs 1.7% for bank 1. LTFT bank 2 min'd at 9.1% vs -.8 for bank 1. So bank 2 is adding more fuel, to account for a lean condition, which suggests an issue on just bank 2 right? More fuel is being added so maybe a vacuum leak, an exhaust leak, bad o2 sensor? Curiously the short term fuel trims were very similar on both banks. I need to do a few more tests and add more sensors as I didn't get any o2 voltage readings with this set...so I can't see if a sensor is misbehaving. I didn't track both upper and lower exhaust sensors either. Would appreciate some input from someone more familiar with fuel trim readings and sensor testing.
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I've cleaned the ambient air temp sensor above very gently with a cotton bud and the actual airflow sensors tucked up inside look pretty clean.
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Poor fuel economy - potential reasons and solutions
Farqui replied to Linas.P's topic in Engine & Transmission
Thanks for the guidance, I haven't tracked fuel trims before but have set-up torque to log these and temps/loads so will be interested to see the results. -
Poor fuel economy - potential reasons and solutions
Farqui replied to Linas.P's topic in Engine & Transmission
Thanks! Refreshing the PCV valve was a simple maintenance task and led to me fitting an air/oil separator so I can get some insight into the condition of the engine. Oh yes I do enjoy a good DI flush of the valves The can I have is available a little cheaper now; https://www.ebay.co.uk/itm/Universal-Car-Racing-Baffled-3-Port-Oil-Catch-Can-Tank-Air-Oil-Separator-Black/382718012049?hash=item591bc56a91 I blanked one of the ports and used heavy duty hoses than do not collapse under a vacuum (beware of some of the softer silicone hoses as they can collapse). The can isn't very big and over 2-3k miles has only filled up with 20mm of oil/condensate over the colder months. For comparison, in the summer over 5k miles I only accumulated 8mm of mostly oil. I don't use my car daily tho so if used regularly then you may need to empty the can more frequently or acquire a bigger unit. -
I do stop them, rarely do they pull out a torque wrench to nip up the wheels without first being prompted. I've found a few that do torque properly tho, so they aren't all bad.
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Hurrah, I managed to replace the NS bank of plugs today. The beefy wiring harness running down that side makes that bank much more difficult than the OS. The leading edge of my MAF is very dirty tho, it doesn't clean up either so I may get a replacement ordered.
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We've used Liqui Moly MAF cleaner with good results on a pals Celica (hesitation, poor mpg). We found it on offer and it had good reviews. It hasn't removed build up on the leading edge of my GS's MAF tho [emoji20] Pic's below/attached. I think I'll be replacing mine but I want to see if mpg improves after changing the plugs. I would think any dedicated MAF cleaner would be okay. Maybe some are better than others? Some folks claim MAF's are self cleaning but that doesn't fit with sensors I've seen.
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Garages and tyre shop windy guns are often set much higher than this, which can give you a headache if you have a puncture. I always reset mine after someone else has been fiddling with my wheels.
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Poor fuel economy - potential reasons and solutions
Farqui replied to Linas.P's topic in Engine & Transmission
@Linas.P, have you ever checked/cleaned your MAF? -
Poor fuel economy - potential reasons and solutions
Farqui replied to Linas.P's topic in Engine & Transmission
That's a good video that, as are many of his. I fitted an air/oil separator last May when I replaced the pcv. I've been monitoring the results and emptying the can every now and then. My vehicle hasn't covered your mileage and I couldn't find any useful info on what is an acceptable amount of blow by. Rather than a catch can, the air/oil separator feeds the clean vapours back to the inlet. To do this you'll need strong walled hoses that can cope with a vacuum. What catch can are you looking at? Mishimoto do a nice one but it's expensive. I opted for a similar design but a much cheaper version/knock off. I'm quite surprised how good it is actually. Finding a suitable place to mount the can wasn't easy in my engine bay and I currently have a long run of hose. Which flows downwards to help drain the oil and pull the vapours back up. I'll get some details online later. On a related note, were you aware that F1 cars were/are deliberately feeding oil into the combustion cycle, to boost performance. -
MOT fail!
Farqui replied to Fishboy's topic in Lexus IS 250 / Lexus IS 250C Club / Lexus IS 220D & IS 200D Club
'Failure, rectify immediately' (quoted above) sounds like a park it and get it fixed regardless of taking your MOT early. -
MOT fail!
Farqui replied to Fishboy's topic in Lexus IS 250 / Lexus IS 250C Club / Lexus IS 220D & IS 200D Club
Were you able to drive it away? Under the revised rules, fails aren't allowed to be used/driven away? -
Lexus Drone
Farqui replied to GavJ's topic in Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus GS 450h / Lexus GS 460 Club
You say it's throttle related yet mention a specific speed. How much tread do your tyres have? The wifes car had a drone that sounded like a wheel bearing at certain speeds. It turned out to be a worn tyre that was still legal but getting low on tread. For revs, have you checked for a loose exhaust heat shield? Good luck tracking it down. -
Crumbs, it's crazy that 2 garages have had a go at this and you still don't have your car back. Good luck getting it sorted.
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MOT fail!
Farqui replied to Fishboy's topic in Lexus IS 250 / Lexus IS 250C Club / Lexus IS 220D & IS 200D Club
Drat, that's a shame. It's odd they failed on worn/noisy bearings, did the bearings/wheels have any play? You say it failed or was it an advisory? Although the MOT categories have been expanded recently. -
Yay, i managed to get the offending bolt free! My teeny ratchet and some slim drill driver attachments gave me just enough height and leverage to free the blighter. Look how puny the rachet is! I bought it to work on the heater servos in the tight spaces under the dash. If my allen socket were an inch longer and narrower then it would have loosened easy.
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Welcome to the forum. Fitting a replacement engine sounds a bit extreme, do you mind if I ask what your options costed out at? It doesn't sound like the starter is getting the start signal, so initially focus your attention there. Did the engine ECU change with the engine? Maybe the immobiliser is blocking your attempt to start.