jcjr

Help!
I have a 2001 RX with 90K miles...this morning the check engine light AND VSC lights came on????

I am on my way to autozone to get a code now....

Any thoughts???

ExPatBrit

There's a hose on the back of the air box that falls off.

jcjr

This is the code that came up at Autozone...

hypervish

That code is for the A/F sensor on Bank 2 Sensor 1, this is the sensor you see when you open up the hood it's located right on the exhaust manifold. Reset the code, and see if it comes back.

jcjr

I thought P1155 was the A/F sensor near the manifold and P1150 was the rear one????

The CEL is now off after the reading at autozone.....If the lights stays off am I Ok???

What are the chances it comes back???

Lexmex

P1130, 1133, 1135 is Bank 1, Sensor 1 (behind the engine)
P1150, 1153, 1155 is Bank 2, Sensor 1 (front of the engine)

Let's just hope the light is off and it was some temporary condition, but yes as long as it stays off you're okay.

dzell81

So my CEL just poped on as well. The P1150 and p0171 codes showed up so I'm going to try the MAF first and see if that fixes things.

I replaced the air filter with a K&N last month so I'm thinking that is what sparked the issue. I was about to purchase the MAF cleaner when I read on the back of the can that you aren't suposed to use it on most Lexus vehicles. Do we have a Karman Vortex MAF?

I know i've seen a number of posts on this subject before - so feel free to point me in the right direction.

dzell81

This is the product I was planning to use:

http://www.amazon.com/CRC-05110-Mass...=pd_sbs_auto_2

Any suggestions whether I should use this or not.

hypervish

Yes, you can use that. If you don't to wait for it to ship, you can pick it up at your local parts store (ie. pepboys,autozone,etc.)

dzell81

Yeah, its the same price at autozone. I actually purchased it and returned it after reading the directions.

Any odds on wheter this fixes my problem?

hypervish

There's a chance it may fix it, the oil from the air filter may have gotten onto the red diode in the maf sensor.