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Old 08-24-2002, 01:46 PM
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pmizell pmizell is offline
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
My readings came out fine:

+20mA with ignition on, engine off
+7-9mA (fluctuating) with engine at operating temp, idle speed

Disconnect EHA:

resistance at EHA, ignition on, engine off: 19 OHM

So, apparently I have a bad EHA or valve seal. I'm gonna replace the seal first and see if my lambda readings stabilize.

Stephen, you're welcome to borrow this harness if you want. Let me know ASAP and I'll send it out today.
'01 E430, Sport 72,000 mi
'98 C280, 126,500 mi
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