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How to tell if engine is mapped.

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I wouldn't worry. I doubt it was 5.2

 

A free/cheap app using a phones gps is not going to be very good. You should see some of my cycle rides on strava!

 

revo's stage 1 oct gets 6 to 60. Stage 3 is 5.4 and 5.2 best. These figures are on revo's website.

 

 

 

 

Gor for a test drive in another VRS TSI. Any differences between mapped and stock will be night & day.

As you bought the car from a main dealer, you can always take it back & ask them to check it for you.

Funnily Skoda UK have refused Warranty Work on engines / vehicles known to have Engine Failures due to VW Group failings after they were purchased as 

Skoda Approved Used Cars with a Skoda Warranty, then as the ECU is Investigated the Vehicle was Remapped before a Skoda Dealership sold it.

 

ECU's are not put back to Factory Settings, or other settings as a matter of course.

I know of a couple of 1.4TSI Twincharger Fabia that had issues and Skoda knocking back Warranty work, so they Rejected the cars they bought on Finance believing them to be standard, but now because they were Modified from Factory Standard by being Remapped and SKODA were being ridiculous.

 

Always a case of Buyer beware, you could have a Modified car without Declared Mods on your Insurance, but that is true with all Used Vehicles as that is how the UK used car trade is, even with Main Dealerships.

If a Loss Adjuster or Accident Examiner ever needs to do checks on a vehicles ECU they can easily see when the RE-map was done and if pre current keepers ownership / keeping.

Edited by Awayoffski

On 20/03/2017 at 10:52, Orville said:

Simple test. Floor it in 2nd gear on a dry, flat tarmac road. If the wheels spin then it has been mapped. My unmodded VRS TSI will retain traction on good surfaces within 2nd, but will spin on damp or uneven surfaces. I imagine a mapped car would easily break traction on anything other than track tarmac.

Hmm, stock mine, and I assume all, spin wheels in 3rd on dusty or slightly damp surfaces as the turbo hits full boost.  Nice warm day, good tread, and a lovely clean, dry and flat surface and it grips in second but how often do we find that?

Wouldn't a mapped engine throw up a TD1 flag when dealer runs diagnostic machine on car?

Mines mapped and I can pull 4.9 - 5.1 secs to 60, that's with an OBD data logger not GPS.

Warm day + warm tyres + low ish fuel level.

 

Factor in the slight delay of the 1st foot until the ABS sensor detects rotation & the fact the fact that 60mph was really about 58mph it's still a pretty quick car.

I doubt you would do that in a standard one but the only way to tell is:

1) Boost log check (generally this engine when mapped doesn't tail off the boost as quick)

2) checksum value in the ECU mismatch

3) rolling road check

4) don't worry about it and enjoy it :-)

  • Author
18 hours ago, Gabbo said:

As you bought the car from a main dealer, you can always take it back & ask them to check it for you.

I did not buy from a main dealer as such. They used to be Blade Skoda which is where the car was purchased new. They shared a site with Blade Suzuki. Apparently as the site was not big enough Skoda moved site. I bought it from Blade Flexidrive. Which took over from Skoda. The previous owner traded it back to them. When i purchased the car as it only had 5 months untill the next service they did that for me. They oy have the Suzuki dealership thete so Skoda don't have any records of the service. I have not yet put it in for any service work yet, as I have only had the car for 6 months.

  • Author
14 hours ago, Yaumeister said:

Wouldn't a mapped engine throw up a TD1 flag when dealer runs diagnostic machine on car?

Don't know on this as not been to Skoda yet. Car serviced when I purchased 6 months ago.

  • Author
58 minutes ago, xpower said:

Mines mapped and I can pull 4.9 - 5.1 secs to 60, that's with an OBD data logger not GPS.

Warm day + warm tyres + low ish fuel level.

 

Factor in the slight delay of the 1st foot until the ABS sensor detects rotation & the fact the fact that 60mph was really about 58mph it's still a pretty quick car.

I doubt you would do that in a standard one but the only way to tell is:

1) Boost log check (generally this engine when mapped doesn't tail off the boost as quick)

2) checksum value in the ECU mismatch

3) rolling road check

4) don't worry about it and enjoy it :-)

1 & 2 I wouldn't know how to do. 3 I don't know where to take it. 4 I am enjoying it.

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