D-Jetronic articles series by Dr-DJet
D-Jetronic A to Z, just everything about it
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Everyhing about Bosch D-Jetronic (some wrongly write D-Jetronik) fuel injection system equiped cars of all manufacturers from A as in auxiliary air valve via E las in ECU and M as in MAP sensor to Z as in zero adjustment. Plus a forum where Dr-DJet and other experts help with competent advice and repair instructions.
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D-Jetronic chapter 1: History
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Chapter 1 of Dr-DJets D-Jetronic (some wrongly write D-Jetronik) series tells the history of electronic fuel injection systems from Bendix in 1957, first trials with AMC till it was first implemented by Bosch on 14. September 1967 in Volkswagen 1600 Type 3
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D-Jetronic chapter 2: Functional overview
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Chapter 2 of D-Jetronic article series of Dr-DJet gives a functional overview of D-Jetronic fuel injection system from fuel supply and ignition to injectors
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D-Jetronic chapter 3: Engine Control Unit (ECU) - function, repair, tuning (revised)
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| Engine control unit (ECU) |
Chapter 3 of D-Jetronic article series by Dr-DJet describes function, repair and tuning of the brain of D-Jetronic: The Engine Control Unit (ECU). All sensors are used here to calculate when and how long to open the fuel injectors. Opening times determine the amount of fuel injected.
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D-Jetronic chapter 4: Intake manifold pressure (MPS) sensor - function and repair
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| MAP sensor |
Chapter 4 of D-Jetronic article series by Dr-DJet describes the function, adjustment and repair of the second most important part of D-Jetronic, the intake manifold pressure (MAP) sensor. It indirectly measures the amount of air sucked in by the engine and reports that to ECU. Other than today's MAP sensors it is an integral part of ECU electronics.
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D-Jetronic chapter 5: Injection valve (injector)
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| Einspritzventil |
Chapter 5 of D-Jetronic article series by Dr-DJet describes the electrically operated injection valve. Do watch the hints for replacing their fuel hoses. If they leak you risk a fire in your engine!
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D-Jetronic chapter 6: Throttle switch
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| Throttle switch |
Chapter 6 of D-Jetronic article series by Dr-DJet describes the throotle switch. It is specific per engine and there are 3 basic types: With and without full load contact and very early VW having only idle-run contact.
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D-Jetronic chapter 7: Trigger contacts / points
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| Trigger contacts |
Chapter 7 of D-Jetronic article series by Dr-DJet describes trigger contacts or points. Trigger contacts (TC) are a wear and tear part and need maintenance and replacement.
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D-Jetronic chapter 8: Fuel pump and fuel pressure regulator
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| Benzinpumpe und Druckregler |
Chapter 8 of D-Jetronic article series by Dr-DJet describes fuel-pump and pressure regulator
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D-Jetronic chapter 9: Cold start and auxiliary air (aka air slide) valve
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| Auxiliary air valve |
Chapter 9 of Dr-DJet's article series describes auxiliary air valve (or air slide valve), cold start valve and thermo time switch. They are not controlled by ECU (exception BMW) and determine the engines cold run.
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D-Jetronic chapter 10: Engine wiring harness
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| Replacing wiring harness |
Chapter 10 of D-Jetronic article series by Dr-DJet describes replacement of your engine wiring harness.
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D-Jetronic chapter 11: Testers overview
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| Der Standard-Tester |
Chapter 11 of D-Jetronic article series by Dr-DJet describes testers that were made especially for this Bosch fuel injection system
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D-Jetronic chapter 12: Maintenance and Tuning
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Chapter 12 of Dr-DJet's articel series is about, maintenance and adjusting. Little is necessary for this as D-Jetronic is considered maintenance free.
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D-Jetronic chapter 13: Troubleshooting and repair
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Chapter 13 of D-Jetronic articles by Dr-DJet describes systematic fault finding (troubleshooting) and repair on your Bosch fuel injection system.
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D-Jetronic chapter 14: troubleshooting check list
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| Checklist |
Chapter 14 of article series by Dr-DJet gives you a detailled checklist for ticking off every single action for a systematic test of your car. All actions are linked to descriptions in article series.
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D-Jetronic chapter 15: Jaguar XJ12 und XJ-S specialties
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| Jaguar XJ12 5.3 |
Chapter 15 of D-Jetronic article series by Dr-DJet describes specialties of Jaguar's D-Jetronic implementation in XJ12 and XJ-S
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D-Jetronic chapter appendix A: MB engine components
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| MB engine components |
Appendix A of D-Jetronic article series by Dr-DJet lists all componets for injection and ignition of all Mercedes-Benz models. It is a sysiphos task to research and correct all those numbers and has taken a lot of time.
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D-Jetronic chapter appendix B: Pinout of ECUs by car manufacturer
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| D-Jetronic ECU pinout |
Appendix B of D-Jetronic article series by Dr-DJet lists pinout of all ECUs of all D-Jetronic equipped cars. With this you can test your D-Jetronic.
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Read more: D-Jetronic chapter appendix B: Pinout of ECUs by car manufacturer
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Chapter 15 of D-Jetronic article series by Dr-DJet describes specialties of Jaguar's D-Jetronic impl [ ... ]
Chapter 8 of D-Jetronic article series by Dr-DJet describes fuel-pump and pressure regulator
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Chapter 14 of article series by Dr-DJet gives you a detailled checklist for ticking off every single [ ... ]
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