@StarBear L Jetronic Temp Sensor II AFM |
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@StarBear L Jetronic Temp Sensor II AFM |
wonkipop |
Jun 5 2023, 03:12 PM
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#21
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Advanced Member Group: Members Posts: 4,403 Joined: 6-May 20 From: north antarctica Member No.: 24,231 Region Association: NineFourteenerVille |
@StarBear .
here is what i have on the Temp Sensor II inbuilt into the AFM on the 1.8 L Jetronic. i could be wrong but i don't think there is any effective way to test the air temp sensor in the AFM on our adam/eve in the garden of eden L Jetronic system. that sensor is not wired in separately. but maybe there is an expert here who knows. - in relation to the problem you are having with hot days and ultra high humidity causing the idle to drop to barely running - i'm not sure the symptom fits a faulty Temp Sensor II in the AFM. others here might know better. I would not have thought a faulty sensor would cause that dramatic a result. Temp Sensor 1 (CHT) - yes. but Temp Sensor II no. i am sure @Van B will pipe in with a more learned view. I would have thought Temp Sensor 2 fault would make the car run rich. I think that is how it would work. but again i am probably wrong. i'd have to think about it. most trouble shooting literature i can dig up says failure mode causes car to run richer generally. increased fuel consumption. |
StarBear |
Jun 15 2023, 03:06 PM
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#22
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Senior Member Group: Members Posts: 1,913 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States |
[Edited and corrected to indicate first version of 6-pin AFM CAN be tested, although indirectly. Updated PDF and pic.]
@wonkipop @Big Len @Van B @L-Jet914 OK; here's the test data I got for the NOS 6-pin AFM Temp Sensor II. Not scientific accuracy due to lack of a proper thermometer, but close enough to get resistance characteristics and determine if the sensor is kaput. NOTE: Only for the superceded "..021" version of the 6-pin AFM, with the two black wires; doesn't appy to the "..011" version of the 6-pin AFM, with no black wires. Never knew there were two versions. See posting above. TESTING_THE_TEMP_II_SENSOR.pdf ( 229.54k ) Number of downloads: 30 |
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