06-10-2017, 10:20 PM | #1 |
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after 2 run afr too lean m5 f10
after 1 or 2 run with map 1,2,8
I feel my car not running well and when I make data log I see afr going up too 15,16 and engine temperature too high looking for turbos its red I changed spark plugs to be safe but still bad my engine too hot cause there is no fuel enough now I am afraid from pressure pump , or high pressure pump, I read rail pressure seņor at idle its 5 bar looking to. set point ok but my idle play up and down why after 1 or 2 run. my car going to die ? any one meet this issue on s63 ? thanks Last edited by wheelpro; 06-10-2017 at 10:36 PM.. |
06-11-2017, 05:33 AM | #4 |
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If using JB4 and running 22psi plus you may not have enough fuel head room on a non-CP car, some do (like mine) some don't (like yours), you need meth as a top-up to keep fuel trims in check plus add cooling.
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06-11-2017, 08:02 AM | #5 |
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06-11-2017, 10:11 AM | #7 |
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06-11-2017, 11:36 PM | #8 |
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You could have got a bad tank of gas.
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09-22-2017, 05:13 PM | #13 |
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Drives: E39 M5 | F10 M5 | F87 M2
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09-23-2017, 09:24 PM | #14 |
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