ACT sensor
02-10-2007, 03:38 PM
#1
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ACT sensor
If my ACT sensor on my cossie 4x4 is not working what would be the symtons, in other words what would it do to the performance? I have measured resistance across terminals and got none
02-10-2007, 04:43 PM
#2
If you get no resistance it would signal to the ecu an incredibly HOT engine and weaken the fuel mix until it could weaken no more.
The results you can guess.
Of any sensor this is the most important one as it is the MAIN CORRECTIVE factor for co, so needs to be 100% perfect.
If you put across the pins a 0.38K OHMS resistor it will signal an engine at 80 degrees C, to the ecu, so will run ok.
As a RETURN it should read 0.3-0.5 volts at this resistance.
tabetha
The results you can guess.
Of any sensor this is the most important one as it is the MAIN CORRECTIVE factor for co, so needs to be 100% perfect.
If you put across the pins a 0.38K OHMS resistor it will signal an engine at 80 degrees C, to the ecu, so will run ok.
As a RETURN it should read 0.3-0.5 volts at this resistance.
tabetha
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