Hey guys,
New to working on e30s (bought my 87is last week! :)), trying to diagnose a no start on my vehicle. It has been a transient issue since I've bought it, refusing to turn over occasionally during cold start. So far this has been my testing process:
1) Checked fuel line going into fuel rail post crank - wet with fuel.
2) Pulled a plug and grounded to valve cover, no spark (new plugs).
3) Ohm-tested the coil, little over spec, replaced the coil, still no spark
4) Checked voltage to coil in ON and RUN, heres where it gets weird, 0V with leads attached to the coil.
5) Read up a whole bunch about the ignition wiring/switch, checked the inline fuse in the trunk along the hot line and it was OK.
6) Went back to the coil and found that with leads detached from the coil, I'm getting 9.46V. Am I missing something here? I don't see why I shouldn't be seeing at least the 9.46V with the coil leads attached.
Any thoughts/suggestions? I've done some searching and have read scary things about the reference sensor on the flywheel going bad, causing the DME to not see TDC and therefore refuse spark AND fuel injection.
(http://www.e30tech.com/forum/showthread.php?t=93083) Does this only apply to the e cars?
Thanks for the help!
David
New to working on e30s (bought my 87is last week! :)), trying to diagnose a no start on my vehicle. It has been a transient issue since I've bought it, refusing to turn over occasionally during cold start. So far this has been my testing process:
1) Checked fuel line going into fuel rail post crank - wet with fuel.
2) Pulled a plug and grounded to valve cover, no spark (new plugs).
3) Ohm-tested the coil, little over spec, replaced the coil, still no spark
4) Checked voltage to coil in ON and RUN, heres where it gets weird, 0V with leads attached to the coil.
5) Read up a whole bunch about the ignition wiring/switch, checked the inline fuse in the trunk along the hot line and it was OK.
6) Went back to the coil and found that with leads detached from the coil, I'm getting 9.46V. Am I missing something here? I don't see why I shouldn't be seeing at least the 9.46V with the coil leads attached.
Any thoughts/suggestions? I've done some searching and have read scary things about the reference sensor on the flywheel going bad, causing the DME to not see TDC and therefore refuse spark AND fuel injection.
(http://www.e30tech.com/forum/showthread.php?t=93083) Does this only apply to the e cars?
Thanks for the help!
David
Comment