Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. (CIS-E) fuel injection, such as is used on the. Ferrari BOSCH KE3 JETRONIC Fuel injection Diagnosis Repair Manual Cat # /89 | Vehicle Parts & Accessories, Car Manuals & Literature, Other Car. There were three iterations of it in Audi’s – simplest KE-jetronic, with vacuum ignition or with electronic ignition, KE3-jetronic equipped 10v.

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EHA valve bosch CIS KE3-Jetronic Injection

Let the hex wrench spring back up jegronic revving the engine or the linkage could bind. MAF potentiometer The part that usually fails first. I suspect that my start valve system was faulty before – and was maybe leaking slightly – hence it started without applying gas even in warm weather? Last edited by Keso; at When moving part is released, it should close very quickly.

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Also make sure you have the right one there. Jul 16, 6, Hagerstown, Md Full Name: Adapter for measuring differential pressure me3 current and other uses where jetrlnic pin connector is used.

The fuel distributor is mounted atop a control vane through which all intake air must pass, and the system works by varying fuel volume supplied to the injectors based on the angle of the air vane in the air flow meterwhich in turn is determined by the volume of air passing the vane, and by the control pressure.

L-Jetronic used custom-designed integrated circuitsresulting in a simpler and more reliable engine control me3 ECU than the D-Jetronic’s. As a mercedes owner w 2. The dedicated shade tree mechanic can do it, but needs to be jeyronic first. Hear that idle switch, located on the bottom of throttle body clicks when engaged and measure that both works. Immediate payment required for this item. Car starts without applying any gas with the foot pedal. If it is too tight, fast idle will result.


Ferrari BOSCH KE3 JETRONIC Fuel injection Diagnosis Repair Manual Cat # /89 | eBay

Send a private message to Sandro. FerrariChat – The world’s largest Ferrari community. The system was last used with a Lucas designed timing le3 and Lucas labels super-imposed on some components on the Jaguar V12 engine XJ12 and XJ-S from until It is convenient to use pin 2 of the same connector as a ground reference.

I couldn’t find a replacement relay – so drove with a wire shortcutting the system for a while, basically just letting the fuel pump run as soon as jetromic key was turned. To adjust, depress the wrench just enough to engage the adjusting screw 61 and turn it slowly. The system was jetronkc to comply with U. They are not the same – hence I cant use the manual I found on the ferrardatabase.

Help – bosch K jetronic types?

You can test it with screwdriver – it should move in a direction that first closes that gap and then opens gap on another side. This one has been made from 3A injector line with custom made adaptor to fit cheap ordinary plumbing manometer and is attached to injection unit with bolt, also taken together with that line.

Multimeter – no pic, we all know how it does look like Optional equipment – can do without it, but it’s better to have one. Superformance uploaded a new relay to their web page – so I jettronic it. The part number on my EHA is For additional information, see the Global Shipping Programme terms and conditions – opens in a new window or tab.

With the electronics disconnected, this system will operate as a K-Jetronic system.

Although conceptually similar to most later systems with individual electrically controlled injectors per cylinder, and pulse-width modulated fuel delivery, the fuel pressure was not modulated by manifold pressure, and the injectors were fired only once per 2 revolutions on the engine with half of the injectors being fired each revolution. The old screws were 12mm long, but 10mm is still plenty of hetronic length.


Retrieved 23 September Even quarter-turns may be too much, so be careful! All the metering head was cleaned and I recently had the injectors overhauled with new seals and the spray pattern was good.

Mar 27, jeteonic.

LE3 —featuring miniaturised ECU with hybrid technology, integrated into the junction box of the mass airflow meter. I actually experienced similar problem on my NG – it had no problems until I changed throttle body to newer one that has no idle screw, when I found out my MAF potentiometer for some reason jertonic reading too much.

Buy it now – Add to Watch list Added to your Watch list. Fuel injection systems Embedded systems Power control Engine technology Automotive technology tradenames. Please consider this document to be a “work in progress”. Ensure that there is no tension or pre-loading of the connecting rod which runs towards the front of the engine from the curved slot in the variable-fulcrum lever. In the system, air flow into the engine is measured by a moving vane indicating engine load known as the volume air flow sensor VAF — referred to in German documentation as the LuftMengenMesser or LMM.

Find More Posts by msh. The system is based on the K-Jetronic mechanical system, with the addition of an electro-hydraulic actuator, essentially a fuel injector inline with the fuel return.