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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This page was last edited on 2 Decemberat Remember that if the oxygen sensor is doing its job and the system is operating closed-loop, the reading will jump around, so you might see readings from 5 V to 7 V and have guess at an average.

Also make sure you have the right one there. Adapter for measuring differential pressure regulator current and other uses where 2 pin connector is used. Kr3 more – opens in new window or tab. Check if this part fits your vehicle. First introduced in the Volvo in jegronic If gas is not applied, it does not start.

Sinds it is a horror story to replace this thing on a 8. This is where to monitor the dwell angle of the electronic ignition amplifier, and is also a good place to view a reflected and attenuated image of the spark.

The ISV is ok as like you said the flap is fully closed and flings back easily. Just wondering what your views were regarding throttle adjustment screw? jetronc

Send a private message to jamiecoysh. Measurement must be done rpm, graph shows permissible voltage [Y axis] against supply voltage [X axis]. Jetrpnic between 5 and 4 pot engines in this case are rather small. This is how the moving part should look like in rest position. This is a simplified and more modern variant of L-Jetronic.


Even quarter-turns may be too much, so be careful!

Ferrari part number 95990867 KE3 JETRONIC BOOK

If memory serves it was only on the TR. Superformance uploaded a new relay to their web page – so I bought it. Be prepared jetrknic some bolts will require torx bit hammered in to get them unbolted, because 6 mm hexagon bit will turn around Through the long production run experienced several running changes like different ECU’s, different camshafts etc, but we can consider them identical engines.

LE2 —featured cold start functionality integrated in the ECU, which does not require the cold start injector and thermo time switch used by older systems. This is not the same sensor which triggers the spark control unit, but it could be used in a clever circuit with pin 1 to measure spark advance.

You have to go over the entire complex system, one component at a time, as they all interact with each other. Re-Read Original post several times.

EHA valve bosch CIS KE3-Jetronic Injection

Jan 11, 17, Texas Full Name: Or are they on the same wire. If it’s lower or higher, start the engine to make sure it stays there, in any case you should change system pressure regulator. It uses electronically modulated control pressure rather than the earlier warm up regulator performing that function. My main problem was mostly failing plug extensions which sure seemed to be a fuel issue!! 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.

Skip to main content. RPM signal, 0 to 12 V, jerronic pulses per revolution.

EHA valve bosch CIS KE3-Jetronic Injection | FerrariChat – The world’s largest Ferrari community

Start the engine and remove connector from control pressure regulator so that mixture would only depend on position of flap. The system was developed to comply with U.


When injectors jrtronic out, carefully unbolt all lines from injection unit, so that no washers will be lost, and reattach them in jertonic way that lines would go over right wing and injectors would be outside engine compartment – of course, first put some rag over the wing. Wipe the area clean.

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

L-Jetronic manufactured under license by Japan Electronic Control Systems was fitted to the Kawasaki ZH1the world’s first production fuel injected motorcycle. Multimeter – no pic, we all know how it does look like Optional equipment – can do jetrpnic it, but it’s better to have one.

Adapter for measuring MAF potentiometer voltage. This is how does look acceptable, although not very good, measurement. There are 1 items available. Select a valid country. It doesn’t need to be long at all, even if you make the adjustment with the air cleaner in place 1.

Jan 11, 17, Texas Je3 Name: Hear that idle switch, located on the bottom of throttle body clicks when engaged and measure that both works. Most purchases from business sellers are protected by the Consumer Contract Regulations which give you the right to cancel the purchase within 14 days after the day you receive the item. What controls the start value that gives that extra gas in cold conditions?

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