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Lexus RX 300 Real World MPG

21 messages,  Last post on Aug 22, 2009 at 8:57 PM

You are in the Lexus RX 300/330/350 Forum. Your Hosts are steve_ & tidester

What is this discussion about? Lexus RX 300, Fuel Efficiency (MPG), SUV

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#12 of 21 what is a 02 sensor??????????????? by 2stuff Oct 25, 2006 (6:39 pm)
My 330 has been to the Lexxus dealer 4 times in 2 months replaced 02 sensor July 2005 and another Aug 2006 then again in Aug 06 charcoal canister have spent $2000.00 and my check engine light came on 1 week later dealer said they had to replace gas cap. now a month and half later my check engine light is on and suv is idling rough and I smell a strong odor don't know if its carbon or gas I GIVE UP WITH THIS SUV SOMEBOBY PLEASE HELP ME 114,000 MILES Replies to this message: tidester (Oct 25, 2006 8:27 pm) lexydc (Dec 27, 2006 3:12 pm)
#13 of 21 Re: what is a 02 sensor??????????????? [2stuff] by tidester HOST Oct 25, 2006 (8:27 pm)
Replying to: 2stuff (Oct 25, 2006 6:39 pm) The O2 sensor monitors emission from your engine and determines whether the optimal amount of oxygen (O2) was used to burn the fuel and makes adjustments as needed. It's not good to have the mixture too lean or too rich.   tidester, host
#14 of 21 Re: what is a 02 sensor??????????????? [2stuff] by lexydc Dec 27, 2006 (3:12 pm)
Replying to: 2stuff (Oct 25, 2006 6:39 pm) Unfortunately, I am glad to hear about your problem because the same thing has happened to me - RX300 1999 107,000 miles - although you have a newer car. My engine light was on and off 10/05 - driving 12 hr trip, so brought in to non-lexus garage - said needed new o2 sensor - ok. trip for 600+ miles the light went back on - I was furious. Back to garage some 600 miles later and said light still on. He checked - "no codes" - it is nothing. 12/05 back for Oil Change - please check light still on and off(as it was before the multiple 100 $$ repair)- still "no codes" - it is fine. 10/06 car acting a little funny - light still on/off. 11/06 notice of Oil Sludge settlement - bring my car to Lexus - yes it has Oil Sludge (figure that is why light is on) but also told needed a new o2 sensor and a charcoal canister -- about $1,500. Went back to garage re: 1st O2 sensor and said out of warranty - I said I brought it back 2x after installed b/c obviously was not fixed - said out of warranty. Now waiting until Oil Sludge is repaired...did you find out any more infor - would be curious to know if you have Oil Sludge, but should not be on 330 models ...love to hear from you what has happened as I see it was about 2 months ago you posted. Thanks!!! good luck!!
#15 of 21 new EPA ratings are out by steve_ HOST Feb 26, 2007 (8:51 pm)
Compare Old and New MPG Estimates
#16 of 21 Re: Lexus RX 300: Real World MPG [steve_] by chevy769 Mar 15, 2007 (7:07 pm)
Replying to: steve_ (Jun 16, 2006 1:16 pm) 99 RX, 16.1 long term in city; 22 pure interstate at 75mph. 81,000 miles. Reg or premium gas.
#17 of 21 Re: 2002 RX300 [sorter] by lexus114 Jun 13, 2008 (6:55 am)
Replying to: sorter (Jul 23, 2006 12:42 pm) Is that on premium,or regular fuel?
#18 of 21 Re: Lexus RX 300: Real World MPG [steve_] by debsrx300 Jul 18, 2009 (12:45 pm)
Replying to: steve_ (Jun 16, 2006 1:16 pm) We recently aquired a 2001 RX300 72,000 miles We took a short trip today 100 miles each way. Just before we hit the exit ramp on the way back 43.9 MPG Cruise set at 69-70 mph two adults, two teen age campers and 150lbs of camping gear I can't believe it is that great. In town so far 23 - 24 MPG Incredible for an SUV. Replies to this message: la4mead (Jul 20, 2009 11:06 am)
#19 of 21 Re: Lexus RX 300: Real World MPG [debsrx300] by la4mead Jul 20, 2009 (11:06 am)
Replying to: debsrx300 (Jul 18, 2009 12:45 pm) That's exceptional fuel economy for an RX. I've feathered the pedal to get 29 MPG on a whole tank a while back, but usually around 20 city/24 highway. Normal low (heavy foot) is about 17.5.   I'd check out actual based on miles travelled / gallons used rather than the computer as a comparison. Just somehting else to compare, my computer actually displays a little less (worse) MPG than actual, but it's usually within 1 MPG. I don't know if you will continue to see close to 40 MPG, but that's a fine goal.
#20 of 21 Re: 2000 RX300 AWD [glenford] by hawktech Aug 22, 2009 (8:40 pm)
Replying to: glenford (Jun 17, 2006 6:00 am) Any transmission issues with the 2000 RX300??? I heard Lexus fixed the transmission problems that have plagued the 1999 RX 300, BUT I want to hear it from a few Lexus owners that have over 120,000 miles... Replies to this message: la4mead (Aug 22, 2009 8:57 pm)
#21 of 21 Re: 2000 RX300 AWD [hawktech] by la4mead Aug 22, 2009 (8:57 pm)
Replying to: hawktech (Aug 22, 2009 8:40 pm) My good friend (who is not into cars enough to post on a forum) has over 200,000 miles on his 2000 AWD (model year with 50/50 front/rear torque split) with no problems, no hesitation, and the fluid stays pink. He drives it hard (sheesh, I thought I had a lead foot) and commutes in suburban and some urban L.A. traffic. He knows to ask for transmission fluid and filter changes, and rotates them into his service schedule. I don't know if that helps, but it couldn't hurt.   '99 FWD models had a valve body problem that was cured during the model year. Perhaps your '00 AWD, while not a particularly stout design, may be one of the more reliable models. Good luck (but don't skimp on the type IV fluid and filters

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