MAF in 92 LS400
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Driver School Candidate
Joined: Oct 2006
Posts: 10
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From: MD
MAF in 92 LS400
Hi, everyone,
I used K&N filter. Recently, I felt my gas mileage somewhat drops in all-city driving, i.e., 6-7 km/liter, compared to 7-8 km/liter I used to get. I read some posts about the possibility of contaminating MAF with K&N so I took a look at my MAF. It appears that it's not the hot wire type and is more like the Karmen vortex type - so it's unlikely to be contaminated at all and I don't think it will ever need cleaning.
Does 92 LS400 use Karmen MAF? If so, what years of LS400 use hot wire type?
I used K&N filter. Recently, I felt my gas mileage somewhat drops in all-city driving, i.e., 6-7 km/liter, compared to 7-8 km/liter I used to get. I read some posts about the possibility of contaminating MAF with K&N so I took a look at my MAF. It appears that it's not the hot wire type and is more like the Karmen vortex type - so it's unlikely to be contaminated at all and I don't think it will ever need cleaning.
Does 92 LS400 use Karmen MAF? If so, what years of LS400 use hot wire type?
Lexus Test Driver
Joined: Mar 2007
Posts: 1,571
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From: San Diego
Yes, a '92 LS400 has a Karman/Vortex type MAF. As far as I know, all LS400's came with that type of MAF. Toyota likes to use the Karman/Vortex MAF sensors. I think only the newest Toyotas are coming with hotwire MAF's.
Lexus Test Driver
Joined: May 2005
Posts: 1,405
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From: International
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