- #9297 of 9376
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Re: Buzzing Noise 2002 Lexus RX300 [theozzfactor]
by la4mead
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Jan 29, 2009 (10:16 am)
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Replying to: theozzfactor (Jan 29, 2009 10:07 am)
..."My only concern is will the lights (all the lights) stay on if there is something wrong with the battery?..."
With the motor running or does the motor start and the warning lights stay on? If so, that's a different story.
If the starter motor won't start the engine, then I'd check the battery cables and/or if it starts from a jump.
P.S. The blower, headlights, horn, etc. all draw much less power than the starter. Blower working doesn't indicate a battery or connection that will carry the amperage needed to run the starter.
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- #9298 of 9376
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Re: Buzzing Noise 2002 Lexus RX300 [la4mead]
by theozzfactor
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Jan 29, 2009 (10:33 am)
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Replying to: la4mead (Jan 29, 2009 10:16 am)
..?With the motor running or does the motor start and the warning lights stay on? If so, that's a different story. ?
No the motor doesn't start. Just the whirring/clanking noise (according to my dad) when the key is turned all the way.
Yes, the only option is to check the battery and jump start if required before calling in the towing company.
Thanks once again. Will keep you all updated.
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- #9299 of 9376
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Re: Buzzing Noise 2002 Lexus RX300 [la4mead]
by rugmankc
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Jan 29, 2009 (10:36 am)
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Replying to: la4mead (Jan 29, 2009 10:16 am)
How old is the battery. Around four or more it is probably low. If it starts briefly but shuts off right away (your choking sound) spray some wd40 on the throttle linkage and rev the engine a little if it starts. I had that problem on mine last winter from road salt. Although, I had to eventually clean the throttle body. My mechanic did that.
Hopefully you got it jumped and running and only a new battery needed. I change my batteries every 4 years no matter what. Hate to get stuck.
Ken
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- #9300 of 9376
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Re: Buzzing Noise 2002 Lexus RX300 [theozzfactor]
by wwest
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Jan 29, 2009 (7:07 pm)
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Replying to: theozzfactor (Jan 29, 2009 10:33 am)
"..just the whiffing/clanking noise.."
"Whirring" would generally mean the starter motor bendix gear is not engaging the flywheel gear teeth.
"Clanking"...or Clicking/"ticking"...??
No explanation for clanking but clicking would mean poor battery connections of low battery.
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- #9301 of 9376
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Re: Check Engine and VSC [rugmankc]
by txgal1
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Jan 31, 2009 (9:38 am)
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Replying to: rugmankc (Jan 27, 2009 10:53 am)
I too have the RX300, 2001 model and am at 118K miles. My check engine light and VSC light came on. I went to Auto Zone where they do free diagnostics. Got the PO174 code for bank 2. I changed the bank 2 sensor and got 30 miles and the same lights came on again. I checked hoses for leaks and don't see any. I think I should have changed the Mass Air Flow sensor instead. Now a couple hundred dollars later with the same problem, wonder if anyone else has a suggestion before I try changing out the MAF sensor.
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- #9302 of 9376
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Re: Check Engine and VSC [txgal1]
by wwest
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Jan 31, 2009 (9:56 am)
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Replying to: txgal1 (Jan 31, 2009 9:38 am)
Which bank 2 sensor did you change..??
Whenever you change a sensor or servomotor/sensor you should always disconnect the battery for 10-15 minutes to force the engine/transaxle ECU to more quickly "re-learn" the new sensor tolerances.
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- #9303 of 9376
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Re: Check Engine and VSC [wwest]
by txgal1
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Jan 31, 2009 (1:51 pm)
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Replying to: wwest (Jan 31, 2009 9:56 am)
I changed the air, fuel sensor for bank 2. There is a bank 1 on one side and bank 2 on the other. I had a mechanic install it and when we picked up the car, the check engine lights were off for about 30 miles. I don't know whether he disconnected the battery or how he reset the computer. I only know the lights were off for 30 miles after we left the shop. Should I try disconnecting the battery??? I also visually looked at the mass air fuel sensor and one side of the thin filament is clean and the other side appears to have carbon build up. Do you know if there is any way to try to clean the MAF to see if that is the problem?? Should I try disconnecting the battery? Thanks for any help I can get.
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- #9304 of 9376
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Re: Check Engine and VSC [txgal1]
by rugmankc
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Jan 31, 2009 (6:33 pm)
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Replying to: txgal1 (Jan 31, 2009 1:51 pm)
I looked for loose hoses, but hard to do with the low temps we have been having and my work schedule lately. Did have time to run by my mechanic on way home one day and the computer said low coolant temp. Didn't ask about hoses, forgot. May be a thermostat. My heat gauge does seem lower than normal lately. I'll have to take it in maybe Thursday if I can't find anything loose. No sensor codes came up. I think there is a way to reset CE lights without disconnecting battery. There is an EFI fuse under hood it may be #13. Not sure. Remember reading something about that. That would be easier and may not require radio and clock resets.
Ken
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- #9305 of 9376
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Re: Check Engine and VSC [txgal1]
by pschiffe
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Feb 02, 2009 (7:13 pm)
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Replying to: txgal1 (Jan 31, 2009 1:51 pm)
I've cleaned my MAF with an aerosol product called Kwik-Kleen contact & circuit board cleaner. Worked well, I'm told dealer will only replace the MAF, not clean it. I believe I've heard carburetor cleaner could also be used.
Pete 
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- #9306 of 9376
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Highland better than RX300?
by Ratha
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Feb 26, 2009 (6:04 pm)
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Hi all, s.o told me that highlander is better than RX300 interm of gas saving, transmission problem, driving stability.... is that true?  thanks b4 hand for your reply. Ratha
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