Mercedes KE-Jetronic - The Fuel Distributor - The Conclusion - The final Part
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The final part on the series of videos about the fuel distributor. My point of view about everything. I came to the conclusion that the replacement of this part is not needed only in case that the car wasn't started for a looooong time and the distributor was without any liquid inside to lubricate it so the plunger stuck or someone had been messing with the unit and screwing and unscrewing the screws he wasn't supposed to touch so the plunger doesn't rest on its seal. The result - the car won't start or the adjusting screws are not screwed in equally and you have an uneven flow of fuel to the cylinders. Remember, this unit is the heart and once you damage(break) the heart everything is not as it is supposed to be. If you are unsure of your skills, PLEASE, and I repeat here and APPEAL PLEASE don't touch this part - take it to the proven specialist that will make your unit run as it should. If you have to replace the seal that the plunger rests on it, or 2 green o-rings or to set the gap between the sleeve and the nut, then this is a piece of cake. For everything more serious, please, take your unit to the one that has skills in these kind of repairs - rebuilding and calibrating his unit.
#fueldistributor# #fixyourmercedes# #mercedeskejetronic#
What am I talking about?
My topic is the KE-Jetronic injection system which I try to demystify as much as I can.
For all of you to understand the system in brief - Developed in 1973 and being mounted into cars up to 1993 as it went in history. But why these to letters!?(KE) K(from German "kontinuierlich" meaning continuos, without interruption) the MECHANICAL injection system on which the fuel starts flowing from the fuel tank sucked by the FUEL PUMP and delivered to the FUEL DISTRIBUTOR which sends fuel to the INJECTORS while the majority of it flows through the FUEL PRESSURE REGULATOR through its return line back to the fuel tank again. The letter E(electronic) has to mark the electronic sensors (the developement starting from early eighties) which had to inform the ECU about the current state of the engine so that the ECU(Electronic Control Unit) then could create current signal in mAmp(miliampers) and send it to four crucial components for the system - the EHA(the electro-hydraulic actuator,a unit consisting of a magnet, an electromagnet and a baffle plate) which had to fine tune the engine in each of its phases, the ICV(the idle control valve), the unit which was predicted for the engines perfect idle, the X11(the diagnostic socket) where the duty cycle(the ideal mixture) was adjusted and the X11/4(the code reader) - the socket which from any codes were read if present using an OBD1 scanner.
An extraordinary injection system which could be fully repaired in your own garage using a multimeter and a pressure gauge only for its fine tuning, together with some common tools.
"Happy Mercedesing"
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