DME and Sensors
#1
DME and Sensors
Canthe speed and or top dead sensors be defective causing no spark? and if so how can I bypass them to test them?</P>
Are they simply removed and reinstalled as long as the engine is not turned over at all?</P>
OR is no spark all because the DME is deffective? My book describes how to test the DME and sensors when the engine is running.</P>
Oh by the way yeas the coil is good.</P>
Thanks for your help!
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#2
DME and Sensors
Check your DME relay- that is the usual culprit. The speed/reference sensors just tell the engine how far advance the timing curve. You do however need the to be set right for the engine to run though. Lightly glue a .9mm washer to the bottom of the sensors. when they hit bottom, tighten down the sensor block. Loosen the sensors and remove- take off washer and reinstall sensors. I know mine is not exactly at .9mm, but it is close and runs good.
#3
DME and Sensors
I think they just bolt in and out.-1 screw per.</P>
It definately wont run without both sensors installed and working.</P>
I agree however, that the dme relay would be a more common problem.</P>
Don't know of any good way of testing the sensors.</P>
Good luck.</P>
Seth</P>
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