Triumph Wedge Owners Association
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Fuel Injection Feedback Monitor,  aka 'Gizmo'
Jim TenCate, Dave Massey

TR8 Fuel Injection Feedback Monitor
Fuel Injection owners rejoice. Always wondered how close your car is to the "ideal" mixture at idle and how to adjust your air flow meter? There are two ways to do it, one is with an exhaust gas analyzer or the other is a special tool you can't find anywhere (see image from the ROM right).

TWOA has gone a step further and we've built that tool and it's now available for "rent" for a small fee. We've built that tool shown in the ROM except instead of just 4 LEDs per injector bank, we've got a string of 10 on each side. For TR8 one for the RH bank, one for the LH bank. The TR7 has a string of 10 LED on just one side. The "gizmo" plugs into the mixture monitor port dangling near the ECU---the feedback control voltages can be measured there---and it tells you how close you are to the ideal mixture. It only requires working O2 sensors and the feedback circuits to be alive and functional. Setting things up is a breeze. It's now available for "rent", full instructions included.

​Write or call us if you're interested in getting your hands on this thing: tencate@mac.com. Cost is $10 plus shipping costs (USPS Flat Rate Small box) both ways.

TR8 Idle Fuel Setting
TR8 Cold Start Injector, O2 Sensor and Mixture Monitor Port
Here's where we're plugging into.

​Triumph Wedge Owners Association (TWOA)
TWOA is an Affiliate Chapter of the Vintage Triumph Register
  • Home
  • About/Join
    • Club Benefits
    • Sample Newsletter
    • Join or Renew Online
    • Join or Renew by Mail
    • Board of Directors
    • Bill Sweeting Remembered
    • Contact Us
  • Tech/Parts
    • Articles >
      • FASD Technical Specifications
      • Fuel Injection >
        • The TR7 ECU - Bosch
        • The TR8 ECU - Lucas
        • Heated O2 Sensors
        • Inside an FI Tank
        • Noid Test Light
      • Members Only Articles
      • TR7 4-Speed Overdrive Conversion
      • TR8 Cooling Fan Circuit
    • Dealer Documents >
      • Memos
      • Recall Campaigns
      • Technical Service Bulletins >
        • A - Engine
        • B - Electrical
        • C - Body
        • D - Transmission
        • E - Paint
        • Z - Recalls
        • F - Chassis
        • G - Miscellaneous
        • H - Air Conditioning
        • TSB Numbers Decoded
      • Training
      • Service Tools
    • Model Information >
      • Brochures
      • Deciphering The Wedge >
        • Component Serial Numbers
        • Paint and Trim Codes
        • VIN and Component Serial Number Locations
        • VIN Numbers Decoded
      • Labels and Decals
      • TR7 Special Editions >
        • Limited Edition
        • Spider
        • Southern Skies
        • 30th Anniversary Edition
      • TR8 >
        • BL Motorsports: Hurdwell Memo
        • California Air Resources Board Emissions Certifications
      • Wedge Colours
    • Parts Suppliers
    • Cottage Industry Parts
    • TWOA Parts
    • TWOA Tool Rentals >
      • TR7 Head Honcho
      • TR7 Head Honcho in Action
      • Fuel Injection Tools >
        • Gizmo
        • Looking Glass
  • Resources and Services
    • 2021 Wedge Calendar
    • Reproduction Suggestions
    • Cars For Sale
    • Cars Wanted
    • Parts For Sale
    • Parts Wanted
    • Harris Mann Art Prints
    • Mailing List Archives
    • Mailing List, Forums & Clubs
    • Gems: TR8CCA+WWWedge
    • Tech: Best of the Web
    • Wedge List Files
  • Events
    • Calendar of Upcoming Events
    • 2020 TWOA Virtual Car Show Results
    • Past Event Photos >
      • Britain on the Green 2015
      • The Kastner Cup 2015
      • Triumphest 2014
      • VTR National Convention 2014
      • The Gathering Dobson NC 2013
      • Dobson The Gathering 2012
      • South Central VTR Regional 2012
      • Triumphest 2012
      • Maryland British Car Day 2011
      • Dobson Gathering 2010
      • Roadster Factory 2010
      • British Invasion 2009
      • Roadster Factory 2009
    • VTR National Awards History
  • Members
    • 2019 Directory Corrections
    • Newsletters
    • TWOA Parts Store
    • Sun Visor Information
    • Regalia
    • Official TWOA Documents
    • FI hose replacement
    • FASD Photos
    • Rear End Spring Experiment
    • Bushing Tests
    • Bushing Buddy - Installation Tool
    • Odd's Engine Removal Tools