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Old 29-12-2007, 08:27 PM   #1
xr8AU2
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Question IAT sensor

Im running dual fuel on my ute and just found the IAT sensor floating around under the airbox still plugged into its harness, as far as i can gather who ever installed the lpg system either couldnt be bothered fitting it to the air intake (has been modified to fit the mixer) or its not needed........could this affect the running of the car when running on petrol / gas if not connected.

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Old 29-12-2007, 09:04 PM   #2
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Definitely needs to be plugged in, between TB and MAF
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Old 29-12-2007, 11:28 PM   #3
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Quote:
Originally Posted by b2tf
Definitely needs to be plugged in, between TB and MAF
It's not really needed at all, except that the engine is going to be thinking that the air you are drawing in through your intake is hotter than it actually is, so it should be running richer, I would think.
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Old 30-12-2007, 08:37 PM   #4
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could this cause one of the o2 sensors to run rich
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Old 31-12-2007, 12:40 AM   #5
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Nup, not directly related.
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Old 31-12-2007, 02:11 AM   #6
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The engine may run rich, and if it does, the O2 sensor will pick up that reading - default tune on most cars is to run rich, as it does less damage overall than running too lean.
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Old 31-12-2007, 02:20 AM   #7
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IAT dictates spark moreso than fuel. Fuel is controlled primarily by the MAF sensor.
(coolant/air temps only slightly, like enrichment on cold startup)

Higher (False) air intake temps will effectivley retard timing to prevent pinging.

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Old 31-12-2007, 09:43 AM   #8
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thanks for the feed back fellas!!
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Old 16-09-2010, 03:36 PM   #9
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hey i didnt know how to actually make a post so i thought i would ask on here
where is my IAT located on my 05 ford ba?
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Old 16-09-2010, 04:04 PM   #10
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Blackery, you have asked a question about a BA, without specifying what motor, in the section for AUs in a post about Windsor V8's. Probably post a brand new thread in the BA section with some reference as to what motor you're running (NA I6/egas I6/turbo I6/Boss V8 etc)
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