AFM problems....
11-11-09, 01:34 PM
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AFM problems....
I have an 87 turbo 2, this problem has been going on for about a year now and I'm not sure if I just have bad luck with the afms that I'm getting or if it could be a more serious underlying problem. the car would turn, fire, and run for a few seconds then die, so I read around and heard it could be the afm, so I would have someone start my car while I reached inside the afm and held the flap open and it stayed running so I put a new afm on it and it ran fine for about a month. Then it started doing it again, same sympotms, same fix with just a different afm, and it ran fine for about a week and the same problem started occuring. So once again I got my hands on another afm. And put it in but this time it only ran for a day, so I decided to go back to my original afm, so I opened up that black cover and cleaned all of the contacts and that black strip that the arm runs accross, sealed it back up, put it together and it ran fine for one day and it gave out. So the simple question is, am I just having bad luck with dirty afm's, or could there be something else wrong?
11-11-09, 05:35 PM
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i think you have another problem.
11-12-09, 03:03 AM
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Jumper the yellow two socket fuel pump check connector and drive it and see if the problem goes away or not.
Also might backprobe the ECU pin 2E and see if it reads like the FUEL AND EMISSIONS section of the FSM says it should..................approx 4vdc with key ON and 2.5 to 3.5 at idle. Maybe with key On and engine off move the vane aft slowly while watching the voltage at 2E and see if the voltage responds by going downwards as the vane moves aft.
Also might backprobe the ECU pin 2E and see if it reads like the FUEL AND EMISSIONS section of the FSM says it should..................approx 4vdc with key ON and 2.5 to 3.5 at idle. Maybe with key On and engine off move the vane aft slowly while watching the voltage at 2E and see if the voltage responds by going downwards as the vane moves aft.
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11-18-09, 07:36 AM
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A jumper is a single piece of electrical wire bare at each end. One end goes into one socket and the other end of the jumper goes into the other socket of the plug. Sometimes referred to as a shorting wire/plug.
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