JFA Help Center
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FAQ
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DPF - Diesel Particulate Filter
DTC - Diagnostics Trouble Codes
ECU Information
EGR - Exhaust Gas Recirculate
EVAP
Exhaust Flap
GPF / OPF - Gasoline Particulate Filter
Lambda o2 Sensor
SAP
Immobilsier
Start/Stop System
Swirl Flaps - Inlet flaps
Data Logging
AGS - Active Grille Shutter
Dealer Portal
Soft Rev Limiter
Manuals
Autowatch Ghost
JFA Elite Flash
JFA Touch Tune
JFA Tuning Module
Back to home
JFA Help Center
FAQ
FAQ
General
Warranty
Insurance
Tuning Stages
Dealer Support
Problem Solving
Tuning Tools
Tuning Credits
Adblue
DPF - Diesel Particulate Filter
DTC - Diagnostics Trouble Codes
ECU Information
EGR - Exhaust Gas Recirculate
EVAP
Exhaust Flap
GPF / OPF - Gasoline Particulate Filter
Lambda o2 Sensor
SAP
Immobilsier
Start/Stop System
Swirl Flaps - Inlet flaps
Data Logging
AGS - Active Grille Shutter
Dealer Portal
Soft Rev Limiter
Manuals
Autowatch Ghost
JFA Elite Flash
JFA Touch Tune
JFA Tuning Module
FAQ
Our most asked questions from our customers.
General
What is ECU Remapping?
Will the lifespan of my engine be reduced?
How long will it take to remap my vehicle?
Can the remap be reversed?
Why we don't you offer ECU remapping for £150!
Why choose ECU remapping over a diesel tuning box?
What is bench tuning?
What if a main dealer wipes the map with a software update?
I have existing modifications, will this affect the remap?
Is a booking deposit required for a remap?
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Warranty
Will an ECU Remap invalidate my vehicles warranty?
What is covered with the "30-day money back guarantee"
What is "Block Exemption Regulations" for modifications & warranty?
Is DPF removal legal?
Insurance
Do I need to notify my insurance company?
Tuning Stages
What does Stage 1,2 or 3 tune mean?