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-   -   Help: IAT Gauge erratic behavior - 2007 S281 SC (https://saleenforums.soec.org/showthread.php?t=21847)

KGinPA 03-06-2018 08:32 PM

Help: IAT Gauge erratic behavior - 2007 S281 SC
 
I recently purchased 07-411 S281SC Convertible and the weather has been terrible here in PA so I haven't driven the car more than down the street and back. However, I noticed the Intake Air Temp gauge indicator bouncing from side to side while under power. Have any of you had that issue and what have you found to be the cause? It doesn't move while at idle.

Meeker1 03-07-2018 02:41 PM

I had the same needle bouncing back and forth on boost gauge . . purchased new gauge from Speedlab but also erratic reading and returned . . Speedlab suggested checking sending unit and replace . . Would be great to hear from others on fix . .

Meeker1 06-04-2020 01:04 PM

Still could use help and reply . . annoying issue and boost gauge still not working . . getting ready to pull her out from winter / virus storage and drive #1264. . Thnx

tbar 06-04-2020 05:00 PM

Did you replace the sending unit? That’s the only other thing that makes sense to me.

Meeker1 07-12-2020 07:02 PM

Took a much closer look after ordering a new $50 sending unit from Velocity Products on ebay . . noticed nut that was supposed to be attaching unit was held on by a small zip tie . . unbelievable . boost gauge works great after replacing nut .. unfortunately Velocity Products will not take return on purchased unit . . Oh well

06 Saleen 02-14-2021 04:59 PM

Has anyone founded anymore information on this problem.
Thanks

Damageln 03-08-2021 11:57 PM

Mine was resolved when I replaced the air temp sensor (shared part with the Ford Lightning.) I also changed the intercooler pump and I haven't had an issue in over 2 years.

06redsaleen 07-08-2021 09:29 PM

Air temp guage sensor replacement
 
Noticed you had a problem with your air temp guage and replaced the sensor to solve the problem. Where did you buy it and what was the part number?



My guage pegs as soon as I turn the key and remains there. I have traced the wiring and didn't find a problem which leads me to believe the sensor is the source of the problem. Appreciate the help!!

Meeker1 07-10-2021 02:16 PM

I have an extra brand new sensor . . $40


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