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1984 240 gl fuel pump relay & ECU question 200 1984

posted by  med1963 on  Tue Oct 30 15:43 CST 2007
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last visit: Fri Sep 11 05:50 CST 2009
[RELATED]

I have the following problem. Car starts fine, but when i come to a stop it seems that the car wants to stall out and then picks up again. I'm looking at the wiring diagram and it seems that as soon as you put the key to the "ON" position (not start) the main fuel pump relay should energize and I should hear the fuel pump, but I don't. I've read a few forums saying that they replaced a transistor in the ECU that provides the ground for the relay. I havn't check for a ground on the plug (pin 17 on ECU yet). First question is "do I have my facts right"? and second, does anyone have a wiring diagram for the ECU circuit board?

Or is this a different problem?

Thanks






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