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89 740 , No start , ECU ?

posted by  Redcephus on  Mon Aug 9 13:57 CST 2004
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Help , my 1989 740 is in a no start mood . I have replaced the crank sensor, fuel injection supression relay and fuel pump relay . Ignition components all fairly new .I by passed the pump relay and both pumps are working. Car has spark . Cam is turning . When I turn the engine over with the fuel pump relay installed ,there is no fuel pumping. Injectors all clicking , have spark . If I run the pumps for a little while ,then plug in the relay , the car will hit momentarily but will not start .Running fantastic last time it was driven . All fuses good . Any ideas ? Could it be the ECU ? Is there more than one? If so , where is a good place to get one .Are the companies that rebuild them OK? Any help will be appreciated , This is driving me nuts. Thanks , Mike






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