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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If you find any errors, or have additional information or explanations I should add, please let me know right away at the address below.

Ferrari part number 95990867 KE3 JETRONIC BOOK

Or are they on the same wire. I don’t think I have problems with a worn potentiometer etc. I have no technical information about adjusting the Kd3 to any specific target so I can’t add anything more hopefully, Larry Fletcher will comment.

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Before you proceed to take it off, prepare to adjust it afterwards – it’s a bit troublesome process. Now something has changed: 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 series motors. Although Mercedes requires that it be removed and discarded, and after the adjustments be replaced by a new one, with care it can be re-used.


Retrieved 17 November One direct injection valve into the manifold, and one that injects fuel into the throttle housing. jetronnic

EHA valve bosch CIS KE3-Jetronic Injection

Now – I have maybe burned something electrical and the start valves are completely out of operation. Be prepared that some bolts will require torx bit hammered in to get them unbolted, because 6 mm hexagon bit will turn around When I had no start value relay fitted and only shortcut the wire making the fuel pump run?

Yes, my password is: Franz Fehrenbach Gottlob Honold.

That is the slotted lever just behind the injection distributor and to its right. If you do not, the internal parts can jam when the throttle is opened and the air flow sensor plate drops. The control pressure is regulated with a mechanical device called the control pressure regulator CPR or the warm-up le3 WUR.

Start the engine and remove connector from control pressure regulator so that mixture would jetroonic depend on position of flap. Electronically controlled mechanical fuel injection.

Immediate payment required for this item. Before you begin, get yourself new gasket that fits between both parts or something you can cut new gasket from, because usually that manifold haven’t been touched for a long time.


Add to Watch list. RPM signal, 0 to 12 V, 4 pulses per revolution.

KE-jetronic diagnostic & adjustment – Classic Audi

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Im having a problem with my idle speed being too low rpm and the engine gently rocks at idle but never cuts out always starts stops fine etc. Send a private message to dgacampbell.

Open the throttle completely. East coast Malaysia Posts: JN has H, the rest F – jetrnoic pressure regulator from JN on something else will result in approx 5,5 bar system pressure, vice versa should result in higher than must be.

Jetronic – Wikipedia

Like a choke Where is this temperature sensor? The volume of air taken in by the engine is measured to determine the amount of fuel to inject. D-Jetronic used analogue circuitry, with no microprocessor nor digital logicthe ECU utilised about 25 transistors to perform all of the processing.