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Old 08-12-2003, 09:46 AM
ctaylor738 ctaylor738 is offline
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Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,315
Well, I agree with that - not much useful information. You need to read this thread in the context of the problem description and the normal EHA current.

EHA Current Measurement Results - Evaluation?

My hope was to catch the problem "in the act" and that the EHA's behavior would shed some light on the problem.

I did test the coolant sensor and it is working perfectly.

I agree with MB Doc's observation that something is telling the idle valve to shut down. I am about ready to throw in the towel and replace the OVP relay, air flow sensor, throttle switch, and decel switch. Kind of expensive (around $400), but at least then I will have a known good base of inputs to the KE control unit.

You can say that this is "throwing parts" but the alternative is to drive around randomly stalling in traffic until the problem becomes consistent enough to replicate, or pay at least half of that amount for diagnostic time that might or might not find the problem.
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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