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Thread: 1988 535i not starting
06-13-2008 02:08 PM #1
1988 535i not starting
Here is what I know...what I don't know would take too long...
I have an e28 m5 which had an engine transplant prior to my owning it for the last 4-5 years. Always ran and started great. I am in OH which means it gets stroed for the winter. Last winter some toothy rodent decided to eat some of the wires in the engine bay. I repaired all that I could see, which included: one spark plug wire; a wire to the throttle position switch; the power wire to the main relay; and the wires from the oil level switch.
After the repair, the engine will turn over but will not start...lacking spark...and the ICV does not energize with the ignition on (I am assuming it should).
When I jump the main relay, the ICV energizes and the car starts with a quick turn of the ignition key.
Matt Hernandez shipped me a working identical ECU and a main relay (THANKS MATT - will get back to you after I figure this out!).
I swapped them with mine and there is no difference.
I checked the reference and speed sensors and they tested fine - if I remember right about 1036 kohm.
I have swapped different fuel relays back and forth to no avail.
That pretty much sums up what I know...
06-14-2008 04:09 AM #2
06-16-2008 04:06 PM #3
- Boonton, NJ, United StatesMember No: 32960
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