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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 11-17-2020, 11:51 AM   #1
Sterlingaidenk
 
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s14 Iat sensor stuck at same temperature.

My iat is stuck at -40 degrees, it is a two wire iat, with a grey plug. cel for the iat has been on for the past 2 yrs and emissions are coming up soon, cant pass unless it's fixed. Brand new engine wiring harness, 5 point ground kit. Swapped out ECU's and problem continues, currently a stock a/t ka24de s14. Also has egr delete, not sure if its linked up to anything else in a circuit some way(unused plugs).Tried different iat's from new, to some from the junkyard and all of them are the same way. What am I missing?
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Old 11-17-2020, 12:09 PM   #2
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How u gonna pass emissions with egr deleted?
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Old 11-17-2020, 12:19 PM   #3
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I hid all the extra wiring. The car runs very clean too, it's just the cel that makes me not pass.
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Old 11-17-2020, 12:42 PM   #4
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Cel will come on for no egr aswell...


But id pull-out the multimeter and start proben the harness... voltage in and voltage out
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Old 11-22-2020, 10:50 AM   #5
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I have tested for a voltage and have no voltage coming from the harness connector, I tested the other terminal on the harness connector for continuity and that was a success. So now it's just figuring out my voltage problem.
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