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Requires professional-level tools, talent and experience.
For many years now, the "Achilles' heel" of the 1983-91 Vanagon has been the antiquated and usually-problematic Bosch engine management system. Even when it was brand new, it was far from perfect. Fast forward over thirty years, and one finds as that every wire, connection, and component has the potential to bring your perfectly planned road trip to a screeching halt. Volkswagen themselves knew the system had genuine flaws, as did every Vanagon owner, repair shop, and parts retailer.
For over a decade, we explored fixes, patches, upgrades, and improvements. We were convinced we could get it to work reliably, but we were wrong. Short of Volkswagen releasing brand-new parts to completely replace the entire system, the original Bosch management system was going the way of the Dodo.
The writing was on the wall: The system had to be replaced with something smarter and more reliable.
But what would this be, and who would invent such a thing? Who else? GoWesty! We rolled up our sleeves back around 2012 and got to work! After thousands of test hours, tens of thousands of test miles, and an unbelievable amount of effort, we were finally able to release this system in January 2018! Read the full story.
This product does the following:
The GoWesty Engine Management System is comprised of:
New Electronic Control Unit (ECU)
All-new Billet Aluminum Throttle Body with modern TPS
Modern manifold absolute pressure (MAP) sensor
New oxygen sensor
New knock sensor and controller
Modern distributor-less ignition system
Modern Mass Air Flow (MAF) sensor in GoWesty-designed MAF housing
GoWesty Tachometer Adapter
GoWesty Fuel Injector Bundle
ScanGauge OBD-II Kit & Dash Mount
GoWesty-designed all-new engine management wiring harness
TECHNICAL NOTES & CONSIDERATIONS:
Ignition timing: Timing is set to original factory specifications. 35 degrees at 3000 RPM. Idle speed and fuel mixture is not adjustable and is completely automatic, as it was (supposed to be!) with Digifant.
Existing Components: Several components of the original fuel injection and delivery systems are not replaced by this kit, and their proper operation is critical for the new GW-EFI system to work properly and reliably. It is HIGHLY recommended that all of these listed below be replaced if they are original, or of unknown age. GoWesty will continue to supply these items individually for the long-term, of course.
Download the installation instructions on the "Instructions" tab to see the pre-check procedure.
EMISSIONS INFORMATION: Gowesty Fuel Injection Component Replacement Kit (GW-EFI) has received an official California Air Resources Board (CARB) Executive Order #D-786-2, and is smog-legal in all 50 states.
GVW-SCANGAUGE-KIT - Installation PDF
Estimated Installation Times:
Need replacement parts, like an oxygen sensor or an ignition coil? Fear not, we based our system around readily available parts that you can source from virtually any auto parts store, or pop some in your cart from the list below.
Prefer to hit up your local parts supplier? Download the Local Auto Parts List PDF
Plug 'n' Play — Requires no or basic hand tools and no mechanical knowledge.
Handy — Requires some hand & power tools and minimal mechanical knowledge.
DIY — Requires a full tool set and broad mechanical knowledge.
Pro — Requires professional-level tools, talent and experience.