Is the GoWesty Fuel Injection Component Replacement Kit compatible with all 1983-91 Vanagon models and engines?

Yes, this GoWesty kit is designed to work with all gasoline-powered 1983-91 VW Vanagons, including both 1.9L and 2.1L engines. If your Vanagon still uses the original EFI (Electronic Fuel Injection) system, this kit will replace key components that typically fail over time. Simply match up your year and engine type before ordering, and reach out if your setup is highly modified or if you have specialized questions.

How difficult is installation, and do I need special tools or skills to replace my Vanagon’s fuel injection components with this kit?

The kit is thoughtfully assembled for DIY Vanagon owners with basic mechanical skills and standard tools. Each component is a direct-fit replacement, so no custom wiring or major modifications are required. We strongly recommend reviewing the included instructions before starting, and setting aside a day to work carefully. If you’re comfortable with basic wrenching and following step-by-step guides, you should be good to go. For best results, install the full kit together—this ensures years of reliability. Consider new fuel hoses or clamps if yours show signs of wear.

What kind of warranty and ongoing support do I get with the GoWesty fuel injection kit, and how does it improve my Vanagon’s reliability?

Every GoWesty Fuel Injection Component Replacement Kit is backed by a 12-month warranty, with friendly tech support from our team of Vanagon specialists who have hands-on experience. By replacing problematic original parts with new, reliable components, this kit helps prevent stalling, hard starts, and fuel delivery issues that plague aging Vanagons. Customers report smoother starts, better idle, and dependable engine performance after the upgrade. Plus, the kit uses widely available, serviceable parts—so future replacements are painless.

GoWesty Fuel Injection Component Replacement Kit [Vanagon]

Name: 2.7 GoWesty Fuel Injection Component Replacement Kit [Vanagon]
SKU: GW-EFI-2700BM
Price: 3750.0 USD
Availability: InStock

GoWesty Fuel Injection Component Replacement Kit [Vanagon]

Product:	GW-EFI
Works With:	1983-1991
Manufacturer:	GoWesty
Availability:	Only 4 Left in Stock!
Wrench Rating:	Requires professional-level tools, talent and experience.

$3,750.00

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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:

Replaces no-longer-available-new (NLA) Bosch components
Improves reliability
Improves fuel efficiency
Improves performance
Real-time system monitoring and troubleshooting via by ScanGauge3* - See "Display" tab
Compatible with any 1986-91 waterboxer currently running Digifant fuel injection!
Smog-legal in all 50 states! Executive Order #D-786-2

Do you have a 1983-85 Vanagon with Digijet Injection? Read this article

The GoWesty Engine Management System is comprised of:

ScanGauge OBD-II Kit & Dash Mount

The ScanGauge3 adds an OBD-II dash display (color & touch) to your GoWesty EFI System. This is a must-have tool for monitoring the health of your engine in real time, and is indispensable when it comes to diagnosing issues.

GoWesty-designed all-new engine management wiring harness

Replaces prone-to-moisture intrusion, antiquated, corroded, and NLA factory harness
All modern, completely sealed connectors for years of trouble-free service in all conditions
Also included with every kit is a GoWesty ALT-HARNESS to ensure a reliable power supply to the system!

New Electronic Control Unit (ECU)

Replaces no-longer-available (NLA) Bosch ECU and Idle Control Unit (ICU)
Has standard OBD diagnostics via OBD-II - Added feature
Compatible with standard real-time parameter displays, including ScanGauge - Added feature
Capable of future software updates if/as needed - Added feature
Sequential-fire injection instead of batch-fire injection

All-new Billet Aluminum Throttle Body with modern TPS

Replaces worn-out original throttle body with a new redesigned unit
Modern, sealed TPS replaces antiquated and NLA factory throttle position switch
Obtains accurate throttle position throughout the throttle range

Modern manifold absolute pressure (MAP) sensor

Added sensor for better fuel management control
Used to obtain engine load and barometric pressure reading
Provides data for automatic altitude compensation—added feature

New oxygen sensor

Replaces antiquated factory oxygen sensor
Modern 4-wire design with sealed electrical plug—added feature
Used to adjust fuel trims

New knock sensor and controller

Added sensor to protect engine against detonation/pre-ignition
Used to detect detonation/pre-ignition (called knock) and retard timing to mitigate detonation/ pre-ignition

Modern distributor-less ignition system

New electronic coil-on-plug ignition coils replaces antiquated factory single coil
No more high-voltage ignition wires - a common source of spark that causes engine compartment fires - new feature
GoWesty-designed cam position unit and crank position wheel replaces antiquated distributor, cap, rotor, wires
Used to accurately determine crankshaft and camshaft position

Modern Mass Air Flow (MAF) sensor in GoWesty-designed MAF housing

Replaces antiquated and NLA factory "trap door" air flow meter
Measures mass of incoming air in order used to calculate required amount of fuel injection
Your choice of basic welded housing or deluxe CNC billet housing

GoWesty Tachometer Adapter

Converts the digital tachometer signal from the more modern ECU to a signal that the factory tachometer will read

GoWesty Fuel Injector Bundle

Modern, brand-new, flow-matched injector set designed specifically for our EFI.

5 stars: 4 (80%)
4 stars: 1 (20%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

What a Difference!

After 4 years of swapping ECUs, overheating ignition coils, phantom stalling, and 3 different Air Flow Meters I bit the bullet and installed the GW-EFI. After 2 years and 25,000 miles the system has been flawless.
Easy do-it yourself install with clear instructions.
Not sure if there is an increase in mileage or performance (I did the EFI at the same time I installed a 2450 engine), but definitely a big difference in reliability

Still determining…

So far it’s an ok set up. If your looking for a performance increase, this is probably not for you. If you want better gas mileage and comfort in knowing you’ve rid yourself of antique parts then this is it. I had mine professionally installed last April. Had an issue recently with an ignition coil failing causing a misfire. Unfortunately the system cannot detect this sort of failure. Easy fix tho because a local parts store has the coil readily available. I reached out to Ben at GW who has been a ton of help. I also got this set up because this is half the battle of getting ready for a 2.7 GW implant..!!! I don’t regret this purchase because it’s pretty good insurance on an very old engine, that one less thing will go wrong.

Well engineered

My ’89 got to the point where no amount of component swapping could cure the hiccups and cutting out while running. I installed the efi kit in the spring and after 3k miles of summer trips I am super happy with the reliability and ability to see what is going on with the scan gauge. The install is not for the faint of heart and spread over 4 weekends with the other “while I am at it” stuff. Thank you GoWesty for the time you spent coming up with this!

glynn Hurley

Still gathering parts cause my van is d-jet going d-fant plus the kit. Your documentation as always is spot on and inclusive. Panicked when I didn't see the ECU but your man Chris in customer support calmed my fears and we found it. Getting started this week and sure GoWesty will be there to help with any hitchinthegiddyup.

A+

Great system and no longer do i have to worry about driving around 1980's Nintendo tech. Did the install DIY and was not hard, manual made it easy. Startup wasn't difficult either as I followed the manual. Zero issues after months of driving it including sea level and 7000ft.

GoWesty Fuel Injection Component Replacement Kit [Vanagon]

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GoWesty Fuel Injection Component Replacement Kit [Vanagon]

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