D-Jetronic articles series by Dr-DJet
D-Jetronic A to Z, just everything about it
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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D-Jetronic chapter 2: Functional overview
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)
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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Read more: D-Jetronic chapter 3: Engine Control Unit (ECU) - function, repair, tuning (revised)
D-Jetronic chapter 4: Intake manifold pressure (MPS) sensor - function and repair
Teil 4 der D-Jetronic Reihe von Dr-DJet beschreibt Aufbau, Prüfung und Reparatur des zweitwichtigsten Teils der D-Jetronic, des Saugrohrdruckfühlers. Er misst indirekt die angesaugte Luftmenge und liefert diese Information an das Steuergerät. Seine elektrische Funktion ist integraler Bestandteil des Steuergeräteelektronik.
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Read more: D-Jetronic chapter 4: Intake manifold pressure (MPS) sensor - function and repair
D-Jetronic chapter 5: Injection valve (injector)
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
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
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
Chapter 8 of D-Jetronic article series by Dr-DJet describes fuel-pump and pressure regulator
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Read more: D-Jetronic chapter 8: Fuel pump and fuel pressure regulator
D-Jetronic chapter 9: Cold start and auxiliary air (aka air slide) 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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Read more: D-Jetronic chapter 9: Cold start and auxiliary air (aka air slide) valve
D-Jetronic chapter 10: Engine 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
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
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
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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Read more: D-Jetronic chapter 13: Troubleshooting and repair
D-Jetronic chapter 14: troubleshooting check list
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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Read more: D-Jetronic chapter 14: troubleshooting check list
D-Jetronic chapter 15: Jaguar XJ12 und XJ-S specialties
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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Read more: D-Jetronic chapter 15: Jaguar XJ12 und XJ-S specialties
D-Jetronic chapter appendix A: 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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Read more: D-Jetronic chapter appendix A: MB engine components
D-Jetronic chapter appendix B: Pinout of ECUs by car manufacturer
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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Latest car articles
D-Jetronic chapter 15: Jaguar XJ12 und XJ-S...
- 17 May 2016Chapter 15 of D-Jetronic article series by Dr-DJet describes specialties of Jaguar's D-Jetronic...
D-Jetronic chapter 9: Cold start and auxiliary...
- 31 March 2015Chapter 9 of Dr-DJet's article series describes auxiliary air valve (or air slide valve), cold...
D-Jetronic chapter 14: troubleshooting check list
- 06 December 2014Chapter 14 of article series by Dr-DJet gives you a detailled checklist for ticking off every...
D-Jetronic chapter appendix B: Pinout of ECUs by...
- 06 December 2014Appendix B of D-Jetronic article series by Dr-DJet lists pinout of all ECUs of all D-Jetronic...
D-Jetronic chapter 10: Engine wiring harness
- 16 November 2014Chapter 10 of D-Jetronic article series by Dr-DJet describes replacement of your engine wiring...