MED9.1 Commanded Lambda Spike during WOT

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norris_83

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	MED9.1 Commanded Lambda Spike during WOT « on: May 29, 2020, 02:56:28 PM »

Hi all,

I've been tackling an ME9.1 ECU where I am facing a lean spike under WOT. Fuel Rail Pressure now stays steady up to 15.05MPA then it hits in.

I did have a throttle closing problem going on but a friend managed to work out where the load limitr function was.

This is not a boosted vehiccle from factory so I know there must be plenty of tables hidden that I can't find. I have tried 2 different Map Packs from Dimsport and BC consulting with no luck.

Any idea what may be going on?


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yxx499

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	Re: MED9.1 Commanded Lambda Spike during WOT « Reply #1 on: May 30, 2020, 02:18:11 AM »

What car it is ? 2.0TFSi ? Where are the logs, please?


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norris_83

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	Re: MED9.1 Commanded Lambda Spike during WOT « Reply #2 on: June 03, 2020, 08:35:58 AM »

No its a V10 5.2


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vwaudiguy

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	Re: MED9.1 Commanded Lambda Spike during WOT « Reply #3 on: June 04, 2020, 08:51:41 AM »

Nobody is going to be able to help you without logs, or posting the file.


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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."

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