View Single Post
Old 12-11-2017, 08:53 PM
phlfly phlfly is offline
Registered User
Join Date: Jan 2017
Location: Leesburg, VA
Posts: 120
Unplug one wire engine started running even worst, two wires out its stop running at all. I guess my ECU works good.

Originally Posted by Diseasel300 View Post
The ELR plug is on the back of the injection pump. It's a red solenoid with a plug on top. If you unplug it and the engine speed suddenly drops, you know the ELR is doing something.

Not sure if the 350 has the ELR adjustment knob or not. If you do, it's on the firewall behind the fusebox. It's numbered 1-7
91' MB 350 SDL, with 961 engine and #14 valve head
09' ML320 Bluetec
Reply With Quote