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Trying to localize a random no start situation and would like to try this bypass option. Basically what will happen is the car will turn over fine but never start. I just put a new DME relay in from our host and thought the problem was solved since I found a chunk of solder missing from he old DME. However after about 3-4 perfect starts the problem re occurred. I grabbed the DME, gently shook it a bit and could clearly feel the click at "on" position and then the car started fine and did so for several subsequent tries. So now I'm thinking maybe the new DME is buggy but it could be the rpm/flywheel sensors as well...very frustating! Anyway, I want to take the DME out of the picture by using the bypass...any danger in this, other than the fact that the fuel pump will run in the "on" position? I'm thinking if the problem does not occur for several days then it was the new DME being buggy...correct? There is another thread by Loren on how to test a DME relay but my ignorance on electrical issues leaves me with some questions on exactly how thats done.
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Buck
'88 Coupe, '87 Cab,
'88 535i sold, '19 GLC 300 DD
Warren Hall, gone but not forgotten
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