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Microtech I've gone through 3 air temp sensors, and still get negative readings

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Microtech I've gone through 3 air temp sensors, and still get negative readings

Old 07-07-07, 09:22 AM
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I've gone through 3 air temp sensors, and still get negative readings

Yep, they are still reading -24 C at startup, and as the car gets warm, this value increases to about -14 C or so, totally inaccurate.

I checked my wiring on the sensor, several times.

Could this situation cause me to run rich?
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Old 07-08-07, 02:29 AM
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are you using stock sensors or GM sensors?
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Old 07-08-07, 03:26 AM
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I'm using the stock air temp sensors. The last two I used were confirmed working on another car.
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Old 07-08-07, 05:41 PM
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try a GM one, for some reason your ecu may be setup to use one of them, the GM one will read higher than the stock mazda one
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Old 07-09-07, 09:03 AM
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I have a similar problem as well, but always assumed that it was a faulty sensor.

Since I have a custom intake manifold, trying out a GM sensor may be inconvenient.

What is involved in having the ECU corrected? Does it need to go back to Microtech?
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Old 07-09-07, 07:40 PM
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yes it will need to go back to microtech,

just plug one in and see if it reads right
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Old 07-09-07, 10:18 PM
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Well, that's just great lol.

Well, this car's not gonna be off the road for some time, what difference would the air temp sensor make in terms of drivability/performance?
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Old 07-09-07, 10:21 PM
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just get a GM one and put it in your intercooler pipe and extend the wires, will take about 20min to fit and your problems will be gone,

it wont make a huge difference when your tune is dialed in
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Old 07-09-07, 10:53 PM
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Yeah, that's my next plan.
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