129 model SL500

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You must be referring the the post 95 with the electronic ignition, is this correct or is it a 066,067,068
 
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Cole@MBS

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Yes Malc, 92 i think, no voltage to the idle control valve, tick over all over the place.

One side of the plug goes to the air con controler inside the car, the other breaks of to about 5 different points into the engine loom!
 

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Do you know if its Motronic or KE
 
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Yeah!

not sure Malc, you know i only no the late stuff, hate the early ones!,

Its got dissy caps, do that help?
 

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Yeah!

not sure Malc, you know i only no the late stuff, hate the early ones!,

Its got dissy caps, do that help?

There are advantages in being as old as me :D

I will post back
 

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Do not over look the MAF, its a hot film type that really affects Idle.

The fuel pressure regulator can leak in the diaphragm, = rough idle

Rotary idle valves measure 12 ohm between 1 & 2, & 2 & 3

With 12 volts applied briefly they buzz when they are OK

More to come
 
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Cheers Malc, the main fault with the tickover is no voltage to the idle control valve if that helps at all!!
 

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Cheers Malc, the main fault with the tickover is no voltage to the idle control valve if that helps at all!!

I am trying to work out if its a119 with LH-SFI or ME
 

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I am sending you the block diagram with the wiring on it.

Yes its KE5 on that car the ignition is EZL-AKR


And fault code details
 
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Thanks Malc and Roofless, what address you sending them to Malc, work or colechelle?
 
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Thanks guys, will have a look at all the info in a while, need to go and have a bath, yes, its that time of year again!!
 

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I will try and find the wiring diagram for the N3 and that should give you the info that you need.

I was so wound up last night with all of the post I did, I did not go to sleep before 4am, another load on benzworld as well
 

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N3 wiring sent, so now you have it all, can I go and play now please:(
 


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