mass air flow sensor
Pole Position
Joined: May 2007
Posts: 359
Likes: 4
From: SanDiegoCA
Do you have a 3 or 4?
https://www.clublexus.com/forums/gs-...ter-makes.html
Holy Crap!!!
check this out. I've kept my GS in the garage for the last 2 weeks, because it was running crappy and the CEL was on. After reading all these maf sensor threads, I decided to give it a shot. I bought some CRC Maf Sensor Cleaner at Kragens and used in on my car. I unplugged the battery to reset everything, and now it runs great. Throttle seems to be more responsive and CEL is off. My butt dyno measured and increase of a 2-3 horsepower gain... LOL.. j/k.. but she does seem to run better.
check this out. I've kept my GS in the garage for the last 2 weeks, because it was running crappy and the CEL was on. After reading all these maf sensor threads, I decided to give it a shot. I bought some CRC Maf Sensor Cleaner at Kragens and used in on my car. I unplugged the battery to reset everything, and now it runs great. Throttle seems to be more responsive and CEL is off. My butt dyno measured and increase of a 2-3 horsepower gain... LOL.. j/k.. but she does seem to run better.
I too went to Auto Zone and bought the CRC MAF Cleaner. But i also re-oiled my K&N air filter, Cleaned the TB, flush and fill coolant, and FINALLY changed my rear differential fluid for the first time ever.....It came out like dark brown molasses
I did notice a huge difference when i test drove it but cant really say it was the MAF sensor...
I did notice a huge difference when i test drove it but cant really say it was the MAF sensor...
Lexus Champion
Joined: May 2008
Posts: 3,347
Likes: 6
From: RI
hmm...how come nobody asked the OP whether he had a 300 or 4xx?
300 has karman vortex maf...don't bother trying to clean it honestly unless it's just little stuff.
4xx has hotwire. Def. try cleaning before replacing.
300 has karman vortex maf...don't bother trying to clean it honestly unless it's just little stuff.
4xx has hotwire. Def. try cleaning before replacing.
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LS - 1st and 2nd Gen (1990-2000)
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Jan 4, 2015 01:47 PM
