1990 1.6L G28 Turbo Tune Help - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-04-2016, 01:16 AM   #21
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Currently this is where im sitting. did some more logs tonight. Im almost possitive its a spark issue. going to check all my grounds tomorrow and also change the plugs to a BKR7E and gap to .030 to see if that helps. I have boost control turned off in the tune to eliminate that from the issue. Doing some shorter pulls around my house i was able to build 6psi boost before any cutout. when it cuts out the rpm has a slight drop for just a second like the ecu is losing power.
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Old 10-04-2016, 01:17 AM   #22
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forgot to add these
Attached Files
File Type: msq CurrentTune.msq (243.4 KB, 5 views)
File Type: csv 2016-10-03_21.44.26.csv (2.04 MB, 4 views)
File Type: msl 2016-10-03_21.35.18.msl (3.29 MB, 9 views)
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Old 10-06-2016, 02:04 AM   #23
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Checked all groundsn and all are good n tight. and replaced plugs and gapped to .035. engine still sputters like a fuel or ignition cut. kinda lost on this. What could make it sputter like an ignition cut?
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Old 10-06-2016, 02:54 AM   #24
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Your boost control cutoff is 150kpa so I'm guessing anytime you hit 6psi/150kpa there is a fuel cut. Adjust this number to slightly higher than your planned boost

edit: confirmed by looking at logs. PW drops off as soon as you hit 150kpa.
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Old 10-06-2016, 09:02 AM   #25
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Quote:
Originally Posted by pakmx5 View Post
Your boost control cutoff is 150kpa so I'm guessing anytime you hit 6psi/150kpa there is a fuel cut. Adjust this number to slightly higher than your planned boost edit: confirmed by looking at logs. PW drops off as soon as you hit 150kpa.
I was thinking something similar but my boost control is turned off would it be in a different table?
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Old 10-06-2016, 12:17 PM   #26
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Quote:
Originally Posted by matrussell122 View Post
I was thinking something similar but my boost control is turned off would it be in a different table?
I'm dumb I'll do that tonight and get some new logs up here. Will get my boost solenoid in this weekend hopefully
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