chukiechz
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Posts posted by chukiechz
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Octane and o2 have alot more than you seem to understand.
Which is why it is no suprise that so many owners using cheaper gas need replacment o2.
I don;t care what you belive or think but it is a fact cheaper gas runs hotter. o2 sensor are right at the tip of the combustino chambers and are affected drastically by gas octanes.
You're right in the sense that lower octane runs "hotter", but the only reason to use higher octane fuel is for detonation. Higher octane fuel detonates less because it burns slower (less energy content).
If the cars runs without detonation, then chances are you won't gain any power by using higher octane fuel.
This has absolutely nothing to do with the O2 sensor location. Sensors wear out over time. All cars will require O2 sensor replacement over time. It could be a corolla or my C32, the type of fuel used has no effect on the frequency of those changes.
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The engine doesnt ping using 87 octane, so there isnt a need for higher octane.
I have several forced induction cars (supercharged E36 M3 and C32 AMG), and I know the effects of octane and knock prevention.
Forgot to add, the truck has 196K miles or so on it. I would think the O2 replacement is because of the mileage of the truck, not the gas I use.
So back to my original question: anyone have any useful pointers on replacing the sensors?
You have to change your o2 sensor right?And you thought it makes no difference............
As they say pay me now or pay me later
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What ocatne gas do you use?
I've been using 87 octane. 91 octane makes no difference in performance, and I dont get any pinging with the 87. I also noticed its the same engine asa friends tundra, and he uses 87 octane in his truck.
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Has anyone replaced the front O2 sensors on an LX470 by themselves? I got a CEL for the O2 sensors, and I got replacement denso sensors for $50 each. Now I just need to install them. Any tips or pointers? Thanks
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Is there someway to adjust the beam height? My lights seem to be too low. Its worse now having put HIDs in there. TIA
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will the part number and procedure be the same for a 98 LX470?
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I got some question about the harness.
1) What did you use for the male headlight connector for the original wiring?
2) Did you only use the one side for the original connectors or both?
3) Whats the diode in the pic, did you use it?
4) Do you have the part# of the relay you used? Ive never done anything like this before.
Im referring to this pic:
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prharper: How did you dremel out the opening without getting debris inside the projector lens? I have an H1 kit on order, and I took off the headlight today, and I was wondering if there was a way to enlarge the opening without making a mess.
If I do need to completely disassemble the lens, how do I get it apart? I got the clips off, and I couldnt get the glass off. Is the glass held on by silicone? I didnt try cutting it off, but I wanted to make sure thats what was needed before starting that.
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my "D" light is burned out. Is there some tutorial on how I would remove the dash to replace the bulb? Its for a 98 LX470. Thanks
O2 Sensor Replacement
in 98 - 07 Lexus LX470
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OK, enough arguing about this. I obviously have my opinion on this, so do you. This thread wasnt an argument about octane.
I feel the sensors have lasted their service life, so I have no problems replacing them. Remember, I am coming up to almost 200,000 miles.
So since you are a technician, can you please answer my original question? Are there any tips or pointers on replacing the sensors on the LX470? :)