Can a remap disappear?
In short, no. A Remap wouldn't disappear anyway; the whole flash data would disappear, but again, this is impossible on its own accord. If it were to happen, your car wouldn't start! The only way you can lose your tune is if the vehicle is flashed to stock by another tuner or main dealer via software update.
Disconnecting the battery or resetting won't. An ECU remap overwrites the original parameters, therefore the only way to get it back to the original parameters is to have it rewritten back again. Re-setting it ie disconnecting the battery won't affect the map but flashing the ROM will erase it.
No, the part that is changed wont revert back to oem, however any variable parts of the ECU will reset to default values . . . . . a Porsche 911 /964 for example, uses various sensors to "optimise" the setup if the battery is disconnected for any period of time, with variances in the effectiveness of that adaptation ...
The software itself is 100% reversible in terms of engine drivability and performance. With modern management systems being more complex there can be trace markers left inside the ECU which the dealer may still be able to see.
Essentially, it is possible to detect remapping but this does not mean that your car manufacturer will check for it when you take your vehicle in to have it serviced or MOT'd.
Is a Superchips remap detectable by the dealer? In most cases, no. Some manufacturers can tell that something has changed, but not necessarily what. If and when you need to return your vehicle back to the original remap, you will need to do one of the following, depending on your purchase.
In car insurance terms, remapping or chipping is considered a car modification, even if it's one you can't actually see. If you don't inform your insurance provider, it could invalidate your policy. Car engine remapping could mean an increase in the cost of your car insurance premium.
Remap lost after visit to dealer? If you have had some work done to your remapped car at a dealership and your car feels noticeably slower than it did before, then there's a good chance that the reason for this is that your remap has been wiped off the ECU by the dealer.
However, in the event of a claim and your car being damaged, a garage will be able to check for remapping by inspecting the engine's electronic control unit (ECU). If it has been altered, the garage will most likely inform the insurer in a damage inspection report.
An obvious question that most people ask about our ECU remapping service is “Will it damage my engine?” The short answer is No!
How many miles do you have to drive to reset ECU?
Here's something you probably don't know: after clearing the car's computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.
No, it shouldn't. During a remap, there are tables which the ECU reads to know what/when/how fueling and other events should occur. This is in non-volatile memory.
Remaps are a permanent install, and cannot be removed when you sell the vehicle or if you wish to remove it during servicing.
How many times can my vehicle be remapped ? Simply there is no limit the ECU can be "Flashed" as many times as you wish regardless of file format.
In order to remove a remap, you will more often enough need to go back to the company that installed the remap file on your engine as they should have stored a copy of your engine's original settings. Failing that, some remapping companies may offer to restore your vehicle's software back to factory settings.
Some people are concerned that engine remapping could cause problems with their car. But it shouldn't affect reliability if you use a reputable company. Remapping does put extra strain on an engine, but not a dangerous amount if it's done properly.
Depending on the vehicle, the remap normally takes less than 1 hour to complete. 2.
Overall, the disadvantages of remapping a car include: Remapping only really benefits turbo engines. There are serious diminishing returns when remapping a non-turbo engine. Engine strain from remapped cars is significantly greater, given the greater speed, power and performance of an engine.
Although some remapping services leave a sticker on the ECU, this is the only visual clue that changes have been made. You could refer to your car's user manual and compare the acceleration and performance of your car currently with the figures in the booklet.
If the remap includes more diesel volume, and hence more combustion, hence more power, and more exhaust gases, then YES, there will be a louder and sweet turbo whistle.
Why do remaps cost so much?
It's a skilled job, and it can take months of training before somebody is able to go anywhere near an ECU. As such, it isn't a job for DIYers', which means tuners are always in high demand. This demand and supply, along with a lack of high quality tuners, means tuning companies can charge high prices for their service.
Stage 1 is the level of remapping that Remap Kings use as it is the only safe level for your car, allowing us to guarantee our work on your vehicle.
To my knowledge there isn't an insurance company in Ireland that can check if a car has been remapped or not. There's well known cases of tuning boxes causing issues after an assessor has found them but for a remap there is no physical evidence.
An engine remap doesn't put any stress on the engine, so it doesn't affect the longevity of it as long as it is done by a garage like AP Autocare who have the equipment and expertise to do it properly and safely.
Remapping your car could only affect the private resale value if you were to tell the person who's buying it. And even if you were to tell the person who's buying it, the chances of your remap decreasing the value of your car are minimal at best.