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Mercedes Ke-Jetronic - El sensor de temperatura del refrigerante
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- čas přidán 3. 04. 2024
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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 "kontinuierliche Einspritzung" meaning continuos injection, 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(elektronische Gemischanpassung/electronically controlled mixture adaptation) 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 mA(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"
Gracias 👌👍
The king!!!!
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Thanks, Johnny B Good!
Hola nuevamente, amigo. Gusto en saludarte. Una pregunta: mi sensor la.ultima vez que lo medí estaba bueno, tengo dos W126 M103 de 1986 y 1989. En ninguno de los dos se mantiene acelerado cuando está frio y tengo entendido que el inyector eléctrico junto con este sensor y la válvula de aire tienen esa función. Qué pruebas puedo hacer para determinar el funcionamiento correcto de estos componentes y que cuando está frío se acelere un poco mas? Gracias!
Hola y gracias. Yo también te saludo. Si te refieres a aprox. 30 segundos después del arranque en frío, esa es la característica del sistema después de septiembre del 89. No sé si el W126 tiene esa característica, supongo que no.
Maestro y como identifico los cables que van puesto en el sensor gracias
Uno de ellos va al pin 21 de la ECU y el segundo al módulo EZL.
@@mercedeskegracias maestro auq dónde va el módulo EZL q UD menciona.
Gracias amigo Mercedeando ando!! Saludos a todos!!
@@fioravantimascella3744 Un saludo cordinal a ti, mi amigo Merceando.
Selam neden türkçe altyazı seçeneği yok
Merhaba, videoyu cep telefonunuzdan izliyorsanız genellikle insanlar sorun yaşıyor demektir. Bu videonun İspanyolca olacağı tahmin ediliyor ancak aynısının İngilizcesi de bende var. Bu videoyu Türkçe altyazılı olarak izleyebilmeniz için videoyu bilgisayarınızda izlemeniz gerekmektedir. O zaman birçok dilde başlıklara sahip olacaksınız. Size aynı videonun İngilizce linkini vereceğim. Selamlar!
czcams.com/video/H-Cgsmd7WqQ/video.html
@@mercedeske kusura bakmayın sizi severek takip ediyoruz bazen telefondan izlemek durumunda kalıyoruz konuştuklarınızı anlayamayınca biraz huysuzlaşıyoruz sanırım Türkiyeden sevgiler saygılar.
How can I contact you? I am having an issue with my control pressure (K Jetronic) being WAY too high - causing the engine have little to no power as the sensor plate barely moves!
How much is the pressure difference?
@@mercedeskeZERO - system and control pressure are the same - the sensor plate is ROCK HARD and barely moves up with at WOT. It seems the inlet port of the WUR has a restriction.
@@cav4290 If the system pressure is ZERO then check the pump and the fuel pressure regulator. Concerning the pump it can be check valve, if your system pressure drops to zero. Concerning the WUR, when the engine is cold you barely have pressure but in some 4 minutes the control pressure has to be approx. 3.8bar. Then your WUR is working as it is supposed to be.
@@mercedeske Hello, the pressure DIFFERENCE is zero - not System pressure.
@@mercedeske My system pressure = control pressure, almost 6 BAR.