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Thread: lean in boost

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Posts: 1-3 of 3
2012-01-06 06:03:41
#1
lean in boost
So im running an AEM wideband, setup is a gtir motor, precision 6262, 72lb msds, jwt ecu, 300z maf. So at first i was having a problem with car running super rich in boost like below 10.0 now. I left the car alone for a while and let it sit and now its running super lean like 17.0 in boost and breaking up. everything seems to check out, fuel pressure, inj, etc, do i have a bad fuel pump mabe? hasnt been in the car long less than 3k on it, but car sat for about a month
2012-01-06 21:10:42
#2
could be the pump going south or the alternator.
2012-01-06 23:14:51
#3
Have you checked voltages? Specifically maf? Do you have any other gauges installed other than the aem?
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