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Old 12-30-2012, 02:22 PM
GWilliamT GWilliamT is offline
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Location: Washington
Join Date: Mar 2004
Posts: 25
Mein Auto: BMW 325E, 1978 Spitfire
I've eliminated most of those items.
Don't know about the engine temp sensor yet.
Because it is very intermittent, goes sometimes days with no problem - running very well, I'm looking at things that seem like they might be consistent with that.
I think the speed and reference sensors you mention are possibilities. Their connectors at the wiring harness (mine are at a bracket on the valve cover) are all very badly damaged, enough so the connections are not secure.

Also wondering if there's a problem at or around the throttle body.
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