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rapidisimo · 08-05-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

Insite, under features and parameters it shows my ambient sensor is disabled. Does that mean that don't have one or does it automatically get disabled if it malfunctions. When I tried to enable it I got a engine code spn 171.

rapidisimo · 08-05-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

BTW, 2011 prostar w/cm871

Chamberpains · 08-05-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

If you have Insite, then what does it say the code is? Right click on it and follow the troubleshooting tree. Someone probably turned it off because of the code.

Rawze · 08-05-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

(08-05-2019 )rapidisimo Wrote: Insite, under features and parameters it shows my ambient sensor is disabled. Does that mean that don't have one or does it automatically get disabled if it malfunctions. When I tried to enable it I got a engine code spn 171.

some trucks simply did not have one tied to the ecm.

rapidisimo · 08-06-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

Is the ambient air temperature sensor the same as the ambient air pressure sensor? Forgive me if this is a stupid question.

Rawze · 08-06-2019, **(Subject: I found the Ambient Air Temp Sensor! 2008 ProStar... )**

(08-06-2019 )rapidisimo Wrote: Is the ambient air temperature sensor the same as the ambient air pressure sensor? Forgive me if this is a stupid question.

Temp and pressure are 2 different things.

Just for reference, a lot of the trucks I have look at, have that OEM ambient Temp Sensor disabled.

Also, a sensor would not say "disabled" unless it has been set that way, has nothing to do with a senors failing. Features and Parameters are options for the truck, not status displays.