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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old July 12th, 2019, 00:18   #16
duke21
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TDI(s): 2.0 TDI BMN
Fuel Economy: 7.0L/100km
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What was problem with 4b map?
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Old July 12th, 2019, 02:09   #17
Jasengine
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Quote:
Originally Posted by duke21 View Post
What was problem with 4b map?
When first installed is threw an error code:

18000 - Altitude Sensor / Boost Pressure Sensor
P1592 - 007 - Implausible Correlation
Freeze Frame:
Fault Status: 01010010
Fault Priority: 1
Fault Frequency: 3
Reset counter: 78
Mileage: 268694 km

This was sorted in the next map, but would stay in limp mode, but no warning lamps.

I should explain a bit better about the strange behaviour on the other tune I had. First I think the throttle peddle calibration has been made more sensitive. DSG will change up very soon in normal driving, more so than with the standard vw setup.
If I roll into the throttle, the boost will climb quickly but at the same time the engine will sound laboured and heavey smoke, boost will keep climbing to over 32psi, so I come off the throttle slightly and the boost will recover to a normal 26psi and the engine sounds as though it has cleared it's throat and full throttle can be applied all the way the the red line at ~26 psi. I can keep the power down through all the gears after the initial strangness. It seems like pulling from low revs upsets the initial fueling.

This is why I wanted a remap to sort all this out, but it now seems the turbo is sh!te and the siemens ecu is a pain to program!
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Old July 12th, 2019, 05:09   #18
duke21
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First, error is because that tuner didnt made proper 4b map sensor linearisation. Second can be because file from ECU with and without dsg has many diferent maps. So may be that tuner had file from manual. I know because i made file for one friend who has a3 dsg ppd and first he said car acts weird. After i get proper file with dsg, car is good.
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Old July 13th, 2019, 00:12   #19
Jasengine
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I thought it was something to do with the DSG !
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Old July 14th, 2019, 05:45   #20
duke21
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DSG is not problem for sure. ECU map is different for engine with DSG.
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