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Old 03-30-2003, 09:37 AM
TimFreeh TimFreeh is offline
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Join Date: Aug 2001
Location: Milford, DE
Posts: 1,421
Check your engine wiring harness. My 93 400E was exhibiting the exact same symptoms and when I inspected the wiring harness I could not believe the engine would even run -many wires had 4-5 inch lengths of insulation totaly gone.

A new harness totally solved my idle problem. The car now idles at 550 RPM smooth as a V8 should.

A properly running M119 engine is a joy to behold - very strong power at any RPM and 22-24 MPG on the road. Who could ask for more?

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