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Is it worth the money for a N/A 4 cylinder?

  • Yes, better MPG's.

    Votes: 3 60.0%
  • No, won't do a thing.

    Votes: 2 40.0%

URD MAF Sensor Calibrator on 2TR

2094 Views 10 Replies 3 Participants Last post by  Speed Freek
Is it worth it?

I want MPG's, not so much HP's.

Seems like it would be worth it to correct the AFR at the very least.

It costs $250 and local speed shops want about $250 to tune it.

Doesn't seem like that's very cost effective, as it would take some time to "pay for itself."

Thoughts?
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Also, anybody want to loan me their wideband? :confused:
I've read better performance and mpg's with a properly tuned unit... so that's how I voted.

Don't you need a welded-in 02 sensor bung-hole to insert the wideband probe? :lol:

Use the money instead toward the cost of some alloy's. In theory, that should better your mpg's a bit.
I've read better performance and mpg's with a properly tuned unit... so that's how I voted.

Don't you need a welded-in 02 sensor bung-hole to insert the wideband probe? :lol:

Use the money instead toward the cost of some alloy's. In theory, that should better your mpg's a bit.
Maybe I need to do more research. I thought you loaded the software to a computer and mapped it from there. Then the wideband plugged into the truck and you monitor and make adjustments from there to the desired settings.

Aftermarket electronics are a mystery to me lol I'm still trying to learn all these things. Help me Ryan! haha Am I totally clueless? I think I am now.
Maybe I need to do more research. I thought you loaded the software to a computer and mapped it from there. Then the wideband plugged into the truck and you monitor and make adjustments from there to the desired settings.

Aftermarket electronics are a mystery to me lol I'm still trying to learn all these things. Help me Ryan! haha Am I totally clueless? I think I am now.
Yeah Ryan, something like that... My understanding is a scan tool is needed to check if its in Open or Closed Loop, and what the fuel trims are. The fuel trims are what gets adjusted in Closed Loop. The wideband is used for programming ideal Open Loop (full throttle) AFR by adjusting the MAF sensor signals to the ECU. That's my understanding at least, I'm sure there's a lot more to it. Sorry bro, I'm not much help here. Sometime down the road perhaps...

Found this related post by Gadget:
http://www.customtacos.com/forum/showthread.php?t=33635
Thanks Ryan, I actually downloaded that a couple hours before I made this thread lol
To do tuning on the street, we are going to need a wideband installed on your truck, yes we need to weld a bung for that and wire up the head unit, but the bung comes in the PLX kit I believe.

Or you can go to a dyno shop and pay the $250 and hope they did it right, I would recommend a wideband anyway, always nice to see how much or little fuel your getting at all times..
The widebands on the the URD site run $480-$650...ummm, looks like this whole idea is out the window now lol
Yea, but I don't want all that stuff on my truck. I don't need to know my fuel consumption that badly lol

It would still be cheaper to go the speed shop dyno route and have them map it and not have a big ugly readout unit or gauge in my truck.

Do you have a way to tune it, and just not a portable tuner? Do I absolutely have to install a wideband?
Buy something else, not really worth it to save a few bucks over time, will take a while to get that money back IMO unless you drive to Vegas every week.
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