Fast acting IAT - Page 11 - Hyundai Genesis Forum
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post #201 of 304 Old 01-31-2015 Thread Starter
I'd rather do it myself
 
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But you don't know how fast it is programmed to sample the IAT. I'm sure they cut that way back.

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post #202 of 304 Old 01-31-2015
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in my case the car is not an issue it's torque that create the most delay

after the pcm answer

torque wait around 0.010 sec to send another standard request

but torque wait 0.15 sec to send custom PID or Hyundai pid

i tried obd link mx bluetooth and wifi with no speed difference
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The Daytona sensor shipping cost is more expensive than the actual used sensor. Here goes...

Triumph Daytona 955 / T 595 1997-1998 (T595 955i) Air Pressure Sensor
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Does anybody have a pic looking into the MAP sensor with the temperature probe facing towards the camera? I'm thinking if it's possible to swap just the temperature probe and keep the oem sensor housing.
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post #205 of 304 Old 02-05-2015
Why so serious, Bro?
 
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Not exactly the angle you are looking for.. but it gives you a pretty good idea of what you are working with: https://www.gencoupe.com/2-0t-discuss...ing-power.html

Edit: Found one...

2013 Becketts Black 2.0T R Spec
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post #206 of 304 Old 02-05-2015 Thread Starter
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2010 Red 2.0L track

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If the Pharaohs had duct tape, the Sphinx would still have a nose...."
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Thank you sirs. I'm going to attempt to find a used MAP sensor and open it up as in the following thread:

https://www.gencoupe.com/engine-drive...r-upgrade.html

I may end up breaking the temperature sensor in the process of trying to remove it from the housing, on that same thought I might as well get an additional 955 sensor if I end up breaking one of them trying to swap the sensor over.
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post #208 of 304 Old 02-07-2015
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Couple of sensors on the way
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post #209 of 304 Old 02-20-2015
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Quote:
Originally Posted by Red Raspberry View Post
Here's a break down of the temp readings and the actual ohm readings. I'm going to mount the sensor and connect it to an ohm meter and drive around a while comparing the readings to the OEM temp sensor before splicing it into the MAP wiring.

Here's the Hyundai specs for the IATS.

C___F___kΩ

-40(-40) 40.93 ~ 48.35

-20(-4) 13.89 ~ 16.03

0(32) 5.38 ~ 6.09

10(50) 3.48 ~ 3.90

20(68) 2.31 ~ 2.57

40(104) 1.08 ~ 1.21

50(122) 1.56 ~ 1.74

60(140) 0.54 ~ 0.62

80(176) 0.29 ~ 0.34


2.2K Thermistor Output Table

F___C___Ohms
-7 -21.67 24063
-5 -20.56 22552
-3 -19.44 21134
-1 -18.33 19826
1 -17.22 18607
3 -16.11 17471
5 -15.00 16412
7 -13.89 15424
9 -12.78 14502
11 -11.67 13641
13 -10.56 12837
15 -9.44 12079
17 -8.33 11376
19 -7.22 10719
21 -6.11 10104
23 -5.00 9529
25 -3.89 8989
27 -2.78 8484
29 -1.67 8011
31 -0.56 7566
33 0.56 7146
35 1.67 6755
37 2.78 6388
39 3.89 6043
41 5.00 5719
43 6.11 5414
45 7.22 5128
47 8.33 4858
49 9.44 4605
51 10.56 4364
53 11.67 4139
55 12.78 3927
57 13.89 3727
59 15.00 3539
61 16.11 3361
63 17.22 3194
65 18.33 3035
67 19.44 2886
69 20.56 2743
71 21.67 2610
73 22.78 2484
75 23.89 2365
77 25.00 2252
79 26.11 2145
81 27.22 2044
83 28.33 1949
85 29.44 1858
87 30.56 1771
89 31.67 1690
91 32.78 1613
93 33.89 1540
95 35.00 1471
97 36.11 1405
99 37.22 1342
101 38.33 1283
103 39.44 1226
105 40.56 1172
107 41.67 1122
109 42.78 1073
111 43.89 1027
113 45.00 983
115 46.11 942
117 47.22 902
119 48.33 864
121 49.44 828
123 50.56 794
125 51.67 761
127 52.78 730
129 53.89 700
131 55.00 672
133 56.11 645
135 57.22 619
137 58.33 595
139 59.44 571
141 60.56 549
143 61.67 528
145 62.78 507
147 63.89 488
149 65.00 469
151 66.11 451
153 67.22 434
155 68.33 418
157 69.44 402
159 70.56 387
161 71.67 373
163 72.78 359
165 73.89 346
167 75.00 333
169 76.11 321
171 77.22 310
173 78.33 299
175 79.44 288
177 80.56 278
179 81.67 268
181 82.78 259
183 83.89 250
185 85.00 241
187 86.11 233
Were these values posted online somewhere or did you calculate them? The triumph IAT sensors I got are supposed to be the same part number but one says made in china and the other in the UK so I want to make sure I have the right calibration.
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post #210 of 304 Old 02-20-2015 Thread Starter
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Quote:
Originally Posted by nyangineer View Post
Were these values posted online somewhere or did you calculate them? The triumph IAT sensors I got are supposed to be the same part number but one says made in china and the other in the UK so I want to make sure I have the right calibration.
http://www.bapihvac.com/content/uplo...istor_2.2K.pdf

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Ahh thanks. I think I will measure the actual resistances and temperatures for the sensors I just got in the mail.
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You should compare an OEM one at the same time to confirm they use the same values.

Only thing I check against is the other OEM sensors when the car is dead cold and in the dark. IAT/ECT/Ambient They all are within a degree C.

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Another thing too is what incremental values of 1 degree C the ECU uses. I know on the oil temp it is 1/4 degrees. But the rest are all 1 full degree. To me this is important but to others they fail to see the erosion of response.

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I'll be specifying the actual sensor calibration in Haltech, won't be using the OEM sensor but having the calibration for that couldn't hurt. I'd like to do what you did and have a switch between the two. What kind of adapter did you put on the sensor that had the wires attached?

I will be tapping my intercooler piping to install this sensor so the ECU receives the temperature measurement before it enters the cylinders.
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Quote:
Originally Posted by nyangineer View Post
I'll be specifying the actual sensor calibration in Haltech, won't be using the OEM sensor but having the calibration for that couldn't hurt. I'd like to do what you did and have a switch between the two. What kind of adapter did you put on the sensor that had the wires attached?

I will be tapping my intercooler piping to install this sensor so the ECU receives the temperature measurement before it enters the cylinders.
I just used some crimp on connectors.

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http://isomorphism.es/post/376752626...versus-celsius

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post #217 of 304 Old 07-16-2015 Thread Starter
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Long term update. Still no issues at all with the replacing of the OEM IAT.
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Quote:
Originally Posted by Red Raspberry View Post
Long term update. Still no issues at all with the replacing of the OEM IAT.
Mind posting a couple of pics of your sensor installed?

EFR7163 2.0T BK1 A/T build - fast spooling 400whp+ 5speed auto <- let's pray it'll last a while -> https://www.gencoupe.com/gencoupe-build-projects/582313-lokiinlove-s-2-0t-t-build-thread.html
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post #219 of 304 Old 07-24-2015 Thread Starter
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Quote:
Originally Posted by lokiinlove View Post
Mind posting a couple of pics of your sensor installed?
Post 26 and 48 have some pics unless you want something else.

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post #220 of 304 Old 02-25-2016
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Is there a specific spec that we can look for when trying to find a fast acting IAT sensor? I'd like to find a smaller/compact form factor sensor that I can stick in a TB spacer or somewhere in the air box without making a big hole.

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