Would you like to watch your computer adjust fuel flow in real time?

Looking for additional insight into your ride's operation?

Want a kewl gauge that none of your friends have?

Well, you've come to the right place!

Information

Diagnostics

Manual

Specifications

Installation

Operation

Where to buy

Pricing

F/I Spy ™ is a new gauge that answers all of your Fuel Injection information needs. Using LEDs and clever electrical design, our engineers have designed an inexpensive yet highly informative display. F/I Spy works on in computer controlled, multipoint, electronic Fuel Injected vehicle.

Imports and domestics, four cylinders or eight, automatic or manual transmissions, it doesn't make any difference. F/I Spy will give you a peek into your engine compartment and your fuel management system.

Models

Original "Little Box"

The Magnifier

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4 vs. 6 vs. 8 cylinders