 Maf Sensor Cleaning - Altezza |
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Search Lexus Owners Club UK
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 Jun 28 2005, 04:57 PM
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#1
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 Advanced Member  Group: Gold Members Posts: 147 Joined: 26-June 03 From: Isle of Man Member No.: 3445 Location:Isle of Man Lexus Model:Dec 2000 RS200 Altezza  |
Thanks to Colins post I last night cleaned the MAF sensor which half cured my problem. Is there another sensor in the air flow path that might also need cleaning.
My cars symptoms are a miss every once and a while in the exhaust note when idling and a bunny-hopping effect at low revs, no accelerator push, say at 30 mph. It definitely got better after cleaning the MAF sensor but is not quite cured. Any help greatly appreciated. Kind regards Tony PS - and no the bunny-hoping is not due to cr*ppy clutch work on my part! 
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Jun 28 2005, 11:06 PM
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#2
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 Club Post Guru Group: Gold Members Posts: 3425 Joined: 23-November 03 From: Milton Keynes Member No.: 4401 Location:Milton Keynes Lexus Model:Supercharged Altezza RS200 |
I cleaned mine today, and to my suprise it helped alot!
I used electrical solvent cleaner.... the dirt was quite disturbing i thought.. little better to drive now.. Check basic things like coil packs and o2 sensor also... FWIW Altezza Scott had same problem to this (i have supercharger so might be different to your both?) and he changed the MAF completely and the car is sweet as cookie now 
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Jun 28 2005, 11:14 PM
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#3
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 Advanced Member  Group: Members Posts: 280 Joined: 31-March 05 From: Just around the corner from you Member No.: 9464 Location:London Lexus Model:Altezza RS 200 Z |
I just cleaned my MAF sensor today and took less than 15 mins to do, the engine is more responsive now, and I would say it’s a must for altezza owners to clean their MAF’s.
Now for the hard bit, where can I find the O2 sensor on engine bay, do I have to follow the same procedure in order to clean it? Thanks |
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Jun 28 2005, 11:23 PM
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#4
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Club Post Guru Group: Gold Members Posts: 3425 Joined: 23-November 03 From: Milton Keynes Member No.: 4401 Location:Milton Keynes Lexus Model:Supercharged Altezza RS200 |
o2 sensor is on the downpipe. Not quite so easy to clean
 Ideally get the car on diagnostics checker to eliminate the o2 sensor... If your car has no running problems, then not worth looking at... unless you have other symtoms of power loss |
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Jun 29 2005, 07:30 AM
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#5
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Knowledgebase Master  Group: Global Moderator Posts: 7098 Joined: 29-June 03 Member No.: 3469 Location:UK |
Hopefully everybody who has cleaned their MAF sensor will also see an increase in mpg in addition to the smoother running.
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Jun 29 2005, 07:48 AM
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#6
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 Club Post Guru Group: Gold Members Posts: 4572 Joined: 11-March 05 Member No.: 9255 Location:Letchworth Lexus Model:Altezza RS200 Tip, IS200 Sport |
QUOTE(ColinBarber @ Jun 29 2005, 08:30 AM) Hopefully everybody who has cleaned their MAF sensor will also see an increase in mpg in addition to the smoother running. [snapback]258679[/snapback] Just filled up after the clean at the weekend and will post any MPG gains that I get. |
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Jun 29 2005, 08:05 AM
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#7
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Club Post Guru Group: Gold Members Posts: 3425 Joined: 23-November 03 From: Milton Keynes Member No.: 4401 Location:Milton Keynes Lexus Model:Supercharged Altezza RS200 |
I should have taken a pic of mine.
Looked like i pulled it out of chimney after 10 years... no wonder i had problems... I sure hope it improves mpg... last tank of optimax (£50) only did 200 miles... okay maybe i was driving on a boost more than usual.. 
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Jun 29 2005, 05:03 PM
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#8
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Advanced Member Group: Gold Members Posts: 147 Joined: 26-June 03 From: Isle of Man Member No.: 3445 Location:Isle of Man Lexus Model:Dec 2000 RS200 Altezza |
Cheers for the responses guys - Mr Singh could you be a bit more specific about the location of the o2 sensor please - might have a crack at that one too.
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Jun 30 2005, 07:53 PM
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#9
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Club Post Guru Group: Gold Members Posts: 1919 Joined: 18-August 03 Member No.: 4053 |
QUOTE(Zaphod @ Jun 29 2005, 05:03 PM) Cheers for the responses guys - Mr Singh could you be a bit more specific about the location of the o2 sensor please - might have a crack at that one too. [snapback]258835[/snapback] have a look down at the exhaust manifold Tony... follow it down and you will see the sensor |
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Jul 1 2005, 06:17 PM
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#10
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 Club Post Guru Group: Members Posts: 6386 Joined: 24-December 04 Member No.: 8450 Location:Lagos, Nigeria Lexus Model:Rotrex IS300 |
Maplin do a good product - Switch Cleaner - harmless to the sensor and removes all traces of grease & oil. £1.99 for a can that'll last forever.
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Jul 3 2005, 06:21 PM
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#11
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Member Group: Gold Members Posts: 54 Joined: 12-June 05 From: Brighton Member No.: 10173 Location:Brighton Lexus Model:is200 sport |
QUOTE(Mr Morse @ Jul 1 2005, 06:17 PM) Maplin do a good product - Switch Cleaner - harmless to the sensor and removes all traces of grease & oil. £1.99 for a can that'll last forever. [snapback]259441[/snapback] Hey MAF sensor, bit of a newbie to cars can someone tell me what it is and where so i can give it a good clean. Cheers fellas |
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Jul 4 2005, 12:02 PM
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#12
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Club Post Guru Group: Members Posts: 6386 Joined: 24-December 04 Member No.: 8450 Location:Lagos, Nigeria Lexus Model:Rotrex IS300 |
QUOTE(Young Gun @ Jul 3 2005, 07:21 PM) QUOTE(Mr Morse @ Jul 1 2005, 06:17 PM) Maplin do a good product - Switch Cleaner - harmless to the sensor and removes all traces of grease & oil. £1.99 for a can that'll last forever. [snapback]259441[/snapback] Hey MAF sensor, bit of a newbie to cars can someone tell me what it is and where so i can give it a good clean. Cheers fellas [snapback]259880[/snapback] There isn't one on the IS200 |
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Jul 4 2005, 12:05 PM
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#13
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 Club Chairman  Group: Management Posts: 17425 Joined: 26-November 01 From: Back in the Motherland Member No.: 1290 Location:Earth 2020 Lexus Model:Lexus IS200 (2JZ-GTE POWERED) |
QUOTE(Mr Morse @ Jul 1 2005, 08:17 PM) £1.99 for a can that'll last forever. [snapback]259441[/snapback] Thats Amazing, makes you wonder what the business sense is though 
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Jul 4 2005, 12:13 PM
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#14
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Club Post Guru Group: Members Posts: 6386 Joined: 24-December 04 Member No.: 8450 Location:Lagos, Nigeria Lexus Model:Rotrex IS300 |
QUOTE(Monster-Mat @ Jul 4 2005, 01:05 PM) QUOTE(Mr Morse @ Jul 1 2005, 08:17 PM) £1.99 for a can that'll last forever. [snapback]259441[/snapback] Thats Amazing, makes you wonder what the business sense is though [snapback]260147[/snapback] It's marketed towards the electronics faternity - who like cleaning their switches and plugs more than we like cleaning our MAF sensors. They probably order it by the case!
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Jul 4 2005, 12:24 PM
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#15
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Club Chairman Group: Management Posts: 17425 Joined: 26-November 01 From: Back in the Motherland Member No.: 1290 Location:Earth 2020 Lexus Model:Lexus IS200 (2JZ-GTE POWERED) |
i was coming from the angle that it Lasts forever..
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Jul 4 2005, 04:28 PM
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#16
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Club Post Guru Group: Gold Members Posts: 3425 Joined: 23-November 03 From: Milton Keynes Member No.: 4401 Location:Milton Keynes Lexus Model:Supercharged Altezza RS200 |
i know the stuff your talking about... we use it to clean pots and PCB boards etc...
like u said, works a treat on dirty MAFs!!! |
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Lo-Fi Version | Time is now: 9th February 2010 - 03:22 PM |
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