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No Spark….. Help!

I just put the engine back into the car after resealing it. Tried to turn the car over and it would not start. I have tracked it back to the coil not getting any spark. I have checked the fuse and all is good. Where should I go from here? Thank you in advance - Tim

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Old 02-18-2005, 09:35 PM
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Get back to basics. Retrace your steps.

Are you sure you re-connected every ground?

Have you re-connected the reference sensors?

Is it possible the factory alarm is engaged?

DME relay?
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Last edited by scottb; 02-19-2005 at 12:09 AM..
Old 02-19-2005, 12:01 AM
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check the sensors on the rear, ground strap clean and good on the tranny? BTW, I have the heater duct whenever you want it. I will bead blast it, if you can wait a while till I get an old oven, I can powder coat it for you. Good seeing you the other night.
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Old 02-19-2005, 04:19 AM
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Thanks I will start here. John what sensors are you referring to? Could it be sensor on the side of the transmission? I am in not hurry for the back dating tin. Whenever it is convenient for you. Thanks again for the help - Tim
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Old 02-19-2005, 05:09 AM
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Yep, the ref/speed sensors are mounted on the drivers side of the bellcrank housing, they might have been bumped out of wack during the work being done. Also check the DME relay, make sure it is plugged in good. Be sure to disconnect the battery before you pull the relay and reinstall, as there is always power to this circuit. Check to make sure you have the sensors plugged into the correct connections, as the two sensors are the same part. Ref mark sensor should be marked BG, and the speed sensor marked DG. If the air gap is off, it should be set at 0.8mm.
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Old 02-19-2005, 07:05 AM
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(bosche cd unit?- they say never disconnect with the battery connected,it will burn out)
Old 02-19-2005, 08:21 AM
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Ok here is what I have done
Check and cleaned all electric connections and ground straps.
Checked voltage going to the coil.
Switched the ref/speed sensors connections.
Switched Dme

The spark at the coil is not consistent and it is week

Any other suggestions would be welcomed!! Thanks for the help so far - Tim
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Old 02-20-2005, 01:24 PM
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After switching the sensors I am getting spark at the plugs. But it still is not starting. I have pulled my Alarm system out. Any other suggestions??? If not I am loading it on the trailer and bringing it to a shop. This is so aggravating.....
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Old 02-21-2005, 05:35 PM
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Tim, go to the basics, fuel, air and fire. You have the fire, are you getting fuel? Make sure you didn't get your fuel lines mixed up. Check the DME relay and fuel pump relay. Is the pump churning?
John
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Old 02-21-2005, 08:03 PM
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Is it trying to kick over? Maybe you have it flooded. Let it rest overnite or try new plugs. Make sure it it getting fuel, possibly try a new relay of rthe DME. Eventually, it will come clear what it is.
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68 Datsun 2000 Mr. Magoo, 02 330ci
Old 02-21-2005, 08:09 PM
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Thanks John! I will give it try this afternoon. I will let you know

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Old 02-22-2005, 07:47 AM
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