E85
Conversion only.
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CONVERSION E85
Ethanol handled in the ECU. Two orders: E85, or E85+ (with Stage 1).
HOW IT WORKS
Ethanol needs clearly more flow than petrol (often around 30%). Without an adapted file the engine runs too lean once closed-loop cannot keep up. Here the fix is in the ECU, not via a box on the injectors.
We revisit injection, closed-loop, cold start, advance within engine margins, and diagnostics that throw for no reason. In France the “road” conversion under the approved framework is in principle not the file: you inform the customer. We deliver the binary; use stays workshop-side.
TWO LINES
Choose by what the customer wants: conversion only, or conversion with Stage 1 optimisation.
E85+
Conversion + Stage 1 in one go. Check injectors and pump before selling.
AFTER THE FLASH
After flashing, it is good practice to check ethanol behaviour: fuel trims (STFT/LTFT), lambda and fuel supply. Build that into your workshop process.
- 01
Check fuel trims
After writing, check fuelling corrections (trims) at different rpm and loads. Out-of-range values point to injection, pump or read issues.
- 02
Road test
Validate cold start, pull-away and loaded running. Note any abnormal behaviour before handing the vehicle back.
- 03
Reopen the ticket if needed
If trims stay out of range despite a sound build, reopen the ticket with the logged values. A tweak may be needed.
Without trim checks, you deliver a blind conversion. Build that control into your workshop process.
VEHICLE COMPATIBILITY
Workshop checks before ordering.
Injector headroom, fuel system condition, DI HP pump, ignition. No hardware headroom = the file will not compensate. Expect higher volumetric consumption; the case is pump price. Cold start often tricky, especially off DI.
State E85 or E85+. If flow is tight: note injectors / pump.
HOW TO ORDER
Standard portal flow, with the right line chosen.
01Choose E85 or E85+
Conversion only, or conversion with Stage 1.
02Upload the read
Upload the original read and confirm the category.
03Write the file
Flash the file once ready.
04Check fuel trims
Test and log fuelling corrections before customer delivery.
FAQs E85
E85 = conversion. E85+ = conversion + Stage 1.
No. Assess vehicle by vehicle. Not for diesel.
Checking STFT/LTFT and lambda after flash helps validate. Good practice, not a guarantee.
Not for this offer: everything goes through the ECU.
Two lines on pricing, confirmed in the cart.
READY TO ORDER?
Create your account, upload the control-unit read and get your modified file, available for download.
- 01Create your account and top up credits
- 02Read the control unit with your tool
- 03Upload the file and choose the service
- 04Download your modified file