NefMoto > Technical > Tuning > 1,9TDI ALH-help me please
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Author Topic: 1,9TDI ALH-help me please  (Read 7273 times)
eazydaz
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« on: August 21, 2012, 01:55:14 PM »
I tune my Leon 1,9tdi ALH 66kw...I have nozzles powerplus764(0.226) and intake into turbo from ARL(airbox,maf housing,aluminium pipe)..Car is smoke and much eat  Smiley

I rewrite smoke limiter with axis from ARL into my file-car is running better,but it still smoke, boost is 1,25bar..

What I have yet to try?
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chiptuners
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« Reply #1 on: August 22, 2012, 06:38:20 AM »
change pump voltage map to less volts, you can also change dw axis and begin of injection, log it also,
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tdifan86
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« Reply #2 on: August 22, 2012, 07:17:53 AM »
Hi!

You have to recalibrate the MAF-linearization or switch to MAP-based smoke limiter.

When switching to MAP-based smoke limiter you also have to enable EGR because of incorrect MAF-reading (should not be a great problem).

The next thing is to recalibrate the pump voltage map + SOI maps and also to extend the IQ axis - otherwise you will never get it running properly.

Regards
« Last Edit: August 22, 2012, 07:20:21 AM by tdifan86 » Logged
chiptuners
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« Reply #3 on: August 22, 2012, 09:23:18 AM »
forgot you had maf change Smiley yes need maf linearisation or  you can also switch to map based rather than maf sensor
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eazydaz
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« Reply #4 on: August 22, 2012, 09:43:48 AM »
Quote from: tdifan86 on August 22, 2012, 07:17:53 AM
Hi!

You have to recalibrate the MAF-linearization or switch to MAP-based smoke limiter.

When switching to MAP-based smoke limiter you also have to enable EGR because of incorrect MAF-reading (should not be a great problem).

The next thing is to recalibrate the pump voltage map + SOI maps and also to extend the IQ axis - otherwise you will never get it running properly.

Regards

how I swith to map-based smoke limiter?

SOI and MAF linearization what address have?
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tdifan86
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« Reply #5 on: August 22, 2012, 11:29:22 PM »
Quote
how I swith to map-based smoke limiter?

You have to change some values in the hexdump and to "adapt" at least the "MAP vs IQ" - smoke map. You can use old 1,9TDI VP37 damos - everything is in there Wink.
If you want to do it oem-like, you also have to adapt a second map - "IAT vs MAP" - correction map. The more IAT, the less airmass is sucked at same manifold pressure => at higher IAT your car will smoke.

Quote
SOI and MAF linearization what address have?

Post your ori-file

Regards
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eazydaz
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« Reply #6 on: August 23, 2012, 12:48:18 AM »
I'll try to find something on the switch Map-based smoke limiter,I hope that I find something about it,because I´ve done it before.
When I use the VP37 damos,so all maps are crazy  Sad

I attached the ori file
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eazydaz
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« Reply #7 on: August 27, 2012, 03:24:08 PM »
please,SOI and MAF linearization what address have?
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