NefMoto > Noob Zone > Noob Questions (Moderator: turboat) > MED17.5.25/1 EPC when accelerating tuned
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Author Topic: MED17.5.25/1 EPC when accelerating tuned  (Read 2914 times)
michelhadid
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« on: August 02, 2019, 10:53:14 AM »
Hey guys, hows it going, i mostly tune simos ECUS and just recently got into these new BOSCH ecus but having problems on the 1.2tsi/1.4tsi tunes im making when modifying MDMAXNMOT i always get limp mode and EPC with error code p2279 "leak in air intake system", been checking the damos for many versions of this ECUs but i can't figure out a solution, anyone here have more experience with this problem or know why its caused? Any hint would be appreciated. Car is a 1.4tsi leon act 150hp 2014

SW id is : 04E906016F   5760
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cherry
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« Reply #1 on: August 02, 2019, 02:53:56 PM »
Really not my business, but maybe DATA_PCR_MonLeakThrUs.PCR.... ?
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gt-innovation
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« Reply #2 on: August 02, 2019, 03:11:30 PM »
Quote from: michelhadid on August 02, 2019, 10:53:14 AM
Hey guys, hows it going, i mostly tune simos ECUS and just recently got into these new BOSCH ecus but having problems on the 1.2tsi/1.4tsi tunes im making when modifying MDMAXNMOT i always get limp mode and EPC with error code p2279 "leak in air intake system", been checking the damos for many versions of this ECUs but i can't figure out a solution, anyone here have more experience with this problem or know why its caused? Any hint would be appreciated. Car is a 1.4tsi leon act 150hp 2014

SW id is : 04E906016F   5760

Any kind of ecu simos/bosch or any other brand has deviations maps...

You can either tune your car correctly(which this is your problem) or you can just increase delta maps which is wrong if the difference is too big...
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michelhadid
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« Reply #3 on: August 02, 2019, 03:31:20 PM »
Well, clearly i'm not tuning it right, thats why im asking for someone more experienced than me in this particular model to give me a hint as to whats causing this. The difference Is in simos ecus i know the map names  and ive tuned these for years. With these Bosch ecus Is not the case unfortunately. Any hints to a map i should take a look at or anything that would help?
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