Economy Remapping and Fuel Saving Maps in Kettering

It depends on the vehicle, the mileage and how you drive, and we will not put a number on it before seeing the car because any figure given blind is invented. What we can do is talk through your specific case honestly: a turbocharged diesel doing consistent daily trunk road mileage is the strongest scenario, while occasional short journeys in a small petrol is the weakest. Tell us which you are and you will get a straight answer.

Less than at lower speeds, and it is worth knowing that. At a constant cruise a big share of your fuel is going on aerodynamic drag, which software cannot touch. What it can change is the gear and revs you hold, and every acceleration back up to speed after a queue, a junction or roadworks. On a real journey there are more of those than a straight description of the route suggests.

No. It generally shifts usable torque lower in the rev range so the engine achieves the same result at fewer revs. You have as much available as before, you simply do not need to use as much of the rev range to get at it. Most people describe the car as feeling easier to drive afterwards rather than slower, because it pulls from further down.

That is a function of your mileage and the price of fuel, so it varies enormously between drivers. A fixed daily commute repeats the saving every single working day and pays back far faster than weekend use. Give us your weekly mileage and the kind of roads and we will talk the arithmetic through with you honestly rather than quoting a payback period we cannot justify.

Yes, and a van covering a consistent weekly route is one of the better cases for it, because the same journey repeating means the saving repeats too. The approach is the same, with the map biased towards low and mid range torque so the engine is not being worked hard to do routine things. There is more on that under commercial vehicles.

Yes, when it is written within what the engine and drivetrain were designed to handle, which is how we work. An economy focused calibration is generally less demanding on the mechanicals than a performance one, because the whole point is the engine doing the same job with less effort. What is not safe is a generic file loaded without regard for the individual vehicle.

To a degree, and most road maps are a compromise of some sort. The question is which way we bias the compromise, and that is a decision for you. Be honest with yourself about it, because a map biased towards economy driven like a performance map delivers neither. Tell us which matters more and the file gets written accordingly.

Indirectly and only sometimes. A well written map can reduce how much soot the engine produces, which is helpful. But a filter that keeps blocking has a cause, and that needs diagnosing rather than mapping around. On your kind of mileage a filter should be clearing itself easily, so if yours is not, something else is going on and that is where we would start.

Yes. A remap is a modification regardless of whether the intention was economy or power, and it should be declared like any other change. Insurers generally handle it without fuss once they are told. The problem only ever arises when it has not been declared and then surfaces during a claim, which is exactly when you do not want that conversation.

Yes. Your original calibration is read off the ECU and saved before anything is written, so the vehicle can be returned to its factory file at any point. That is usually wanted when selling, returning a lease, or before a dealer looks at a warranty issue. It is standard on every job rather than something you have to ask for.

It makes it a more interesting case rather than a worse one, and honestly the town half is where more of the opportunity sits. Steady cruising is already efficient. The accelerations, the gear changes and the slow moving sections are where fuel gets spent, so a mixed route often has more for a map to work with than a pure motorway run does.

Yes. It is roughly twenty two miles from the workshop in Lutterworth, which puts it among the further towns we cover but well inside the area. The difference is that it is booked as a planned visit with time set aside rather than a same day call, so ring with a bit of notice. Typically an hour to ninety minutes at the vehicle, road tested before you get the keys back.