EFITracer
// Built by tuners, for tuners

See your logs
come alive.

A lean spike buried in a wall of numbers is easy to miss. Plot that same ACES EFI datalog as a chart and the problem jumps right off the screen — clear RPM and air/fuel traces so you spot trouble in seconds, not spreadsheets.

Currently reads ACES EFI logs — more ECUs on the way
1977 Chevy P30 · road tune
ACES EFI · 332 s · 2241 samples
Engine RPM
Air / fuel · target vs actual
Actual Target Lean spike Rich spike
// Three steps

Upload → Analyze → Share

01

Upload your log

Drag in the CSV from your ACES EFI software. We read RPM, AFR, MAP, TPS, temps and timing automatically.

02

Read the data

Overlaid channel traces and an AFR-vs-target heatmap with a synced scrubber. Lean and rich spots and idle problems are flagged in plain English.

03

Share it

Send a link to your tuner or post it to the community for a second opinion — no account needed.

Built for wrenchers, not coders.

Big type, plain language, no jargon walls. If you can read a vacuum gauge, you can read EFITracer.

Get started — it's free