Desired AFR on stock file

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Aardschok

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	Desired AFR on stock file « on: July 30, 2017, 04:22:08 AM »

I have logged a few pulls on my stock file and have noticed that the desired AFR goes very rich and is almost maxing out the injectors...

My intuition tells me to look at fuel pressure and probably replace the fuel pump?

Would be grateful if someone could have a quick glance at the attached csv and share their thoughts.


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4ringpieces

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	Re: Desired AFR on stock file « Reply #1 on: July 30, 2017, 05:12:06 AM »

Your intuition should tell you to read s4wiki and understand all the fuelling maps


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Aardschok

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	Re: Desired AFR on stock file « Reply #2 on: July 30, 2017, 07:54:39 AM »

Quote from: 4ringpieces on July 30, 2017, 05:12:06 AM

Your intuition should tell you to read s4wiki and understand all the fuelling maps

Seeing as the file is completely stock, I assumed a H/W issue?

Or is this behaviour normal?


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nyet

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	Re: Desired AFR on stock file « Reply #3 on: July 30, 2017, 11:04:51 AM »

lambts


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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex

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