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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Useful for testing oxygen sensor and also can be used to test MAF potentiometer better than multimeter can.

Buy it now – Add to Watch list Added to your Watch list. Ok, fellas, I finally made myself to do this – I was thinking about it long time ago. These adjustments are intended to be followed by an actual exhaust gas CO check to ensure legality.

The main difference in ie3 Lambda system being the frequency valve, used to vary the injection pressure from the fuel distributor. The engine control unit ECU may be either analog or digital, and the system may or may not have closed-loop lambda control.

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Ferrari part number KE3 JETRONIC BOOK

Now press the switch again for two to four seconds. This is how caps should look like – maybe slightly more on, but not too much. The subject line is black tubing with white stripes. It runs fine – but I need to understand why. All jettronic metering head was cleaned and I recently had the injectors overhauled with new seals and the spray pattern was good.

This signal is derived from the ignition amplifier and is synchronized with the low side of the ignition coil.

The German cars used K-jet in far greater numbers than Ferrari. My main problem was mostly failing plug extensions which sure seemed to be a fuel issue!! Your name or email address: Despite physical similarity between L-Jetronic components and those produced under license by other manufacturers, the non-Bosch systems should not be called L-Jetronic, and the parts are usually incompatible.

Share This Jetronlc Tweet. Unfortunately that doesn’t show how fast is sensor. Connect oscilloscope between ground and oxygen sensor connector and adjust it to read zero.

Learn More – opens in a new window or tab Any international postage and import charges are paid in part to Pitney Bowes Inc. There are 1 items available. That is the slotted lever just behind the injection distributor and to its right.

KE-jetronic diagnostic & adjustment – Classic Audi

Jetronkc part number on my EHA is With failed idle switch or misadjusted throttle engine will idle at speed that wouldn’t be called idle, because it will be around k rpm. K3 you wish to tinker, be sure to count carefully the number of quarter-turns you make in the setting, so you can go back if necessary.


The ISV is ok as like you said the flap is fully closed and flings back easily.

I have and am willing to share: Yes, my password is: Which makes me think it only gets gas from the main distributor – and therefore gets no gas when I don’t give it throttle If gas is applied – it starts perfectly. If it’s lower or higher, start the engine to make sure it stays there, in any case you should change system pressure regulator.

Starting Test lambda control see “X11 Connector”above at RPM by taking an average reading of the signal at pin 3. Some later post versions contain hardware support for first generation diagnostics according to ISO a.