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Subject: "IAT sensor resistance? (NOT the @%#$!! mod)" Previous topic | Next topic
foggy45Apr-28-08 05:01 PM
Member since Dec 28th 2003
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#108533, "IAT sensor resistance? (NOT the @%#$!! mod)"
Apr-28-08 05:02 PM by foggy45



          

im trying to troubly shoot my CEL's and i keep coming up with:
EGR flow failure (no worries as mine is blocked off)
IAT temp high
cylinder 4 misfire

ive been through 4 NEW sensors in the last month and with a new one, i reset the computer and all is well for a few days, then we start all over with high idle, rich gas smell from exhaust and lumpy idle. remove the sensor and test it and its bad. (some were even missing the black ball on the tip of the contacts) and yes i tested the new ones before they go in

now this motor is stock while im building my replacement, but i did leave on the 60mm TB and bored intake manifold incase this might cause people to think of a solution.
oh and the wire harness *Looks* intact everywhere ive traced it.

does anybody know a "Nominal" resistance for the temp sensor so i can grab some resistors and pop them in there while i try and chase this down?
no i'm not looking for the stupid +20 hp mod, just a regular 70* day resistance lol

or does anybody know a solution to this?

Thanks in advance.

______________________________________
______________________________________
"Don't fear the weapon, fear the soul of the warrior using it."
"My CEL only goes off when i remove my battery."

Best sum up of working on a 2GNT
DR1665- "#5. Spike that motherfucker on the garage floor and grab a beer. You deserve it."


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AdministratorStar Turbo TalonApr-28-08 07:48 PM
Member since Oct 21st 2003
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#108538, "RE: IAT sensor resistance? (NOT the @%#$!! mod)"
In response to Reply # 0
Apr-28-08 07:57 PM by Star Turbo Talon



          

make sure you dont have a short on the ECU wire. That would make the sensor a resistor to ground and cause it to fail pretty quick. As far as the resistance, I can check for you tomorrow if no one else does.

Edit: I had this posted elsewhere from a long time ago.

186 degrees F = 0830 Ohms
177 degrees F = 0953 Ohms
93 degrees F = 5850 Ohms
62 degrees F = 11030 Ohms
44 degrees F = 17940 Ohms

  

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turbosruleJun-14-09 09:46 PM
Old School 2GNTer
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#126083, "RE: IAT sensor resistance? (NOT the @%#$!! mod)"
In response to Reply # 0
Jun-14-09 09:57 PM by turbosrule

          

Originally posted by foggy45
im trying to troubly shoot my CEL's and i keep coming up with: EGR flow failure (no worries as mine is blocked off) IAT temp high cylinder 4 misfire

i HAVE THIS SAME PROBLEM.
Did it do this before or after you took the EGR off?


Hahn,Wiseco,Eagle,MSD,TurboXs
K&N,mopar,AEM,Greddy,Vortex,apexi and a bunch of other stuff..

  

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