wiring Diagram cold running problem

Darren Stanley

New Registration
Joined
Oct 29, 2016
Messages
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Location
Lincoln
Your Mercedes
300sl 1988 3000cc
Hi

I'm looking at a UK 1988 300SL for a friend.

He has a cold running problem ( tick over at 500RPM)

He's changed the cold start valve still the same... it has a feed

I have put a feed across the idle control valve and runs better

I need the following info

1. a Wiring Diagram
2. wheres the over load relay on that year and model
3. wheres the ECU
4. Wheres the Temp sensor
5. wheres the earth for the IVC

thanks
 

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