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Old 02-09-2015, 03:03 PM   #1
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Default spark cutout and wastegate issues on new turbo setup

91 miata 1.6 running megasquirt pnpg2 v1.3
this is my first time driving my miata with my turbo set up and i was getting spark cutout around 4500-5500 rpm i gapped my plugs down to .030 and still does it. was wanting to know if my ignition table and fuel tables were ok. my external wastegate is set to 7psi but isnt keeping it there and i saw it go to around 13psi before i let off. car has rx8 injectors on it and is running a decent AFR. the external wastegate has 2 vacuum lines on it not sure what one should be getting hooked to. im sorry for the nooby questions i just dont want anything bad to happen any help would be great.






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Old 02-09-2015, 03:55 PM   #2
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Please post a copy of your tune file and a data log of the problem.
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Old 02-09-2015, 04:21 PM   #3
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here are the tune and the log of the problem it spark cut 2 times during the run
Attached Files
File Type: msq 2015-02-09_15.18.03.msq (107.5 KB, 27 views)
File Type: msl 2015-02-09_15.05.08.msl (1.23 MB, 29 views)
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Old 02-09-2015, 05:05 PM   #4
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found the problem. over boost protcetion was set to 150kpa i moved it to 170kpa and miata is running great now. Thank you Matt
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