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#1 |
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Member
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URD MAF Sensor Calibrator
Does anyone have this on their truck? After putting performance parts on my truck I think the MAF sensor is causing my check engine light to come on. Does this device turn that light off?
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#2 |
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SERO: Come get some!!
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Name: Jamie
Joined: Apr 2007, #1432
Location: Sumter, SC/Charleston, SC
Age: 26
Gender: Guy
Posts: 8,096
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i dont believe it will remove the CEL. the maf cal deals w/ the air/fuel ratio after adding mods to get the best performance out of them. the CEL from a MAF could be caused by oil from an aftermarket intake filter. some people have said that you can clean the MAF and that may help.
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![]() 2009 Timberland Mica DC SB TRD Sport 4x4 Grey Weathertech Liners, In-Channel Rain Guards, Bed Mat, AFE Pro Dry w/o Secondary, Magnaflow SS Muffler Chopped, Sock Vinyl, Black Toolbox, Hi Lift, Xenon Headlights, Black/Grey Iggee Seat Covers, Clemson Grille Emblem, Tinted Tails and 3rd Brake, Cobra 29 LTD Black Chrome CB w/ K40 Antenna, LT255/75/17 BFG MT's on Painted Stockers and LT285/75/16 Nitto TG's on WheelersOffroad Black Aluminum, (Allpro Bumper, Sliders, IFS/Trans/T-Case/Diff Skids, Walker Evans CO's, 3" Leaf Kit w/ WE Shocks, and UCA's), Toytec Shims and Diff Drop, Pioneer N1, PIAA 510 Ion Fogs, 8.5" Daystar Lights |
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#3 |
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Senior Member
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You have the CEL because you have the doug thorley long tube headers. They eliminate the front cats which are monitored by the rear O2 sensors. It threw the light because the sensors realized the cats are no longer in place. If you want the CEL gone, you need this:
http://www.urdusa.com/product_info.p..._id=1260518515 The MAF calibrator is instead for tuning to get the correct air/fuel ratio to gain the most power from your mods, it is totally separate from your CEL problem, but it can be found here: http://www.urdusa.com/product_info.p..._id=1260198051 (this is under the assumption that you in fact have the long tube version of the headers, and that your CEL code should be P0420) |
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#4 |
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Senior Member
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Crap, just realized you have a 4cyl and not a 6.... I'm not sure on the exhaust routing and what not with that one. Go get your code pulled and i can help more.
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#5 |
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Senior Member
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#6 |
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SERO: Come get some!!
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Name: Jamie
Joined: Apr 2007, #1432
Location: Sumter, SC/Charleston, SC
Age: 26
Gender: Guy
Posts: 8,096
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ahh...good point...i didnt even think about the headers...but yes, if they took the front cats out and u didnt use any 02 simulators, then it will have a CEL. good catch XR guys
__________________
![]() 2009 Timberland Mica DC SB TRD Sport 4x4 Grey Weathertech Liners, In-Channel Rain Guards, Bed Mat, AFE Pro Dry w/o Secondary, Magnaflow SS Muffler Chopped, Sock Vinyl, Black Toolbox, Hi Lift, Xenon Headlights, Black/Grey Iggee Seat Covers, Clemson Grille Emblem, Tinted Tails and 3rd Brake, Cobra 29 LTD Black Chrome CB w/ K40 Antenna, LT255/75/17 BFG MT's on Painted Stockers and LT285/75/16 Nitto TG's on WheelersOffroad Black Aluminum, (Allpro Bumper, Sliders, IFS/Trans/T-Case/Diff Skids, Walker Evans CO's, 3" Leaf Kit w/ WE Shocks, and UCA's), Toytec Shims and Diff Drop, Pioneer N1, PIAA 510 Ion Fogs, 8.5" Daystar Lights |
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#7 | |
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Member
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Quote:
The front cats and rear O2 sensor are still there. Will I most likely still need that sensor though? I reset it over night last night and it hasnt turned on today, but there is probably a mile limit till it turns back on.
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%@ck The Factory. www.superduty-hq.com Cuz Stock Sucks |
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#8 |
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SERO: Come get some!!
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Name: Jamie
Joined: Apr 2007, #1432
Location: Sumter, SC/Charleston, SC
Age: 26
Gender: Guy
Posts: 8,096
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if u have ur front cats and both sets of sensors, then that shouldnt be it. have you recently oiled the afe filter? or did you do everything at once and it turned on?
__________________
![]() 2009 Timberland Mica DC SB TRD Sport 4x4 Grey Weathertech Liners, In-Channel Rain Guards, Bed Mat, AFE Pro Dry w/o Secondary, Magnaflow SS Muffler Chopped, Sock Vinyl, Black Toolbox, Hi Lift, Xenon Headlights, Black/Grey Iggee Seat Covers, Clemson Grille Emblem, Tinted Tails and 3rd Brake, Cobra 29 LTD Black Chrome CB w/ K40 Antenna, LT255/75/17 BFG MT's on Painted Stockers and LT285/75/16 Nitto TG's on WheelersOffroad Black Aluminum, (Allpro Bumper, Sliders, IFS/Trans/T-Case/Diff Skids, Walker Evans CO's, 3" Leaf Kit w/ WE Shocks, and UCA's), Toytec Shims and Diff Drop, Pioneer N1, PIAA 510 Ion Fogs, 8.5" Daystar Lights |
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#9 | |
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Member
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Quote:
"Whenever we design a new intake tube, the biggest challenge is the factory Mass Airflow Sensor. You just can’t place the MAF sensor any place. The modern MAF sensor is sensitive to changes in air speed and volume. Slight changes can improve performance or it can trigger the Check Engine Light (CEL). We design our tube so that the factory MAF sensor is positioned in just the right place so that you get the best performance possible without triggering the CEL." I do not think the filter is the problem, haha, its quite irritating. Plus Thorley was closed today so I couldn't get a hold of them.
__________________
%@ck The Factory. www.superduty-hq.com Cuz Stock Sucks |
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#10 |
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SERO: Come get some!!
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Name: Jamie
Joined: Apr 2007, #1432
Location: Sumter, SC/Charleston, SC
Age: 26
Gender: Guy
Posts: 8,096
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right...thats referring to actually getting air to the MAF...thats not referring to oil sucking in from the filter and getting on the sensor
__________________
![]() 2009 Timberland Mica DC SB TRD Sport 4x4 Grey Weathertech Liners, In-Channel Rain Guards, Bed Mat, AFE Pro Dry w/o Secondary, Magnaflow SS Muffler Chopped, Sock Vinyl, Black Toolbox, Hi Lift, Xenon Headlights, Black/Grey Iggee Seat Covers, Clemson Grille Emblem, Tinted Tails and 3rd Brake, Cobra 29 LTD Black Chrome CB w/ K40 Antenna, LT255/75/17 BFG MT's on Painted Stockers and LT285/75/16 Nitto TG's on WheelersOffroad Black Aluminum, (Allpro Bumper, Sliders, IFS/Trans/T-Case/Diff Skids, Walker Evans CO's, 3" Leaf Kit w/ WE Shocks, and UCA's), Toytec Shims and Diff Drop, Pioneer N1, PIAA 510 Ion Fogs, 8.5" Daystar Lights |
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#11 |
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Member
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The filter is a dry filter though.
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%@ck The Factory. www.superduty-hq.com Cuz Stock Sucks |
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#12 |
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Senior Member
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whats the deeal with the MAF calibrator. I know what it does, but does it recal automatically or do you have to dyno or wideband it to get it to work? so anything that you guys can give me that would be great.
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#13 |
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SERO: Come get some!!
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Name: Jamie
Joined: Apr 2007, #1432
Location: Sumter, SC/Charleston, SC
Age: 26
Gender: Guy
Posts: 8,096
|
ur right...i just looked at ur pics and u have the grey filter...definately the dry one...u got me then man...i have no idea. have u had the codes read on it yet? if not, go to autozone/advanced auto and they'll read them and give u a print out for free
__________________
![]() 2009 Timberland Mica DC SB TRD Sport 4x4 Grey Weathertech Liners, In-Channel Rain Guards, Bed Mat, AFE Pro Dry w/o Secondary, Magnaflow SS Muffler Chopped, Sock Vinyl, Black Toolbox, Hi Lift, Xenon Headlights, Black/Grey Iggee Seat Covers, Clemson Grille Emblem, Tinted Tails and 3rd Brake, Cobra 29 LTD Black Chrome CB w/ K40 Antenna, LT255/75/17 BFG MT's on Painted Stockers and LT285/75/16 Nitto TG's on WheelersOffroad Black Aluminum, (Allpro Bumper, Sliders, IFS/Trans/T-Case/Diff Skids, Walker Evans CO's, 3" Leaf Kit w/ WE Shocks, and UCA's), Toytec Shims and Diff Drop, Pioneer N1, PIAA 510 Ion Fogs, 8.5" Daystar Lights |
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#14 | |
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Member
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Quote:
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%@ck The Factory. www.superduty-hq.com Cuz Stock Sucks |
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#15 | |
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Senior Member
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Quote:
You need to go get the code read from somewhere and let us know so we can help you. What was the last thing you altered on the truck before the CEL came on? |
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#16 |
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Member
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That last thing that was put on were the Headers.
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%@ck The Factory. www.superduty-hq.com Cuz Stock Sucks |
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#17 |
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Senior Member
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#18 |
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haha just had it retorqued yesterday. After the retorque is when it cam on, about 15 miles later. Ive gone a 100 miles after reseting it and still no light so Im thinking it was just an error. What is the mile limit to trip the light on tacomas?
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#19 |
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Senior Member
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typically 30-40 miles. If it's staying off then you're good to go. If it comes back on, get the code checked.
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#20 |
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Member
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So after 140 miles the CEL comes back on, but after about 40 miles it goes back off. Got a hold of Thorley and they said it is most likely flakes from the ceramic coating process. But the headers and intake are definitly not causing the light to come on. So thats good news I guess. Thanks for all the help though or at least concern.
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