09-12-2019, 09:34 PM
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#26 (permalink)
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Track Member
Join Date: Dec 2015
Location: South Carolina
Posts: 699
Drives: 2017 nismo 370z
Rep Power: 3377
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Quote:
Originally Posted by Jinxx
I was comparing the pressure with the vacuum and even with same amount of vacuum pressure I was seeing differences in fuel pressure ...reading from the gauge ...and I was never getting a lean condition ...I guese I was just paranoid ....better to double check something before hand than after a blown motor lol
What got me looking was a very light surging stumble during light acceleration ...checked everything couldn’t find anything ..changed plugs no change I thought the fuel pressure might have been bouncing causing it ....it is only under light throttle and very minor ..it’s around when the vacuum gauge is from 5-0 when I’m cruising at a steady speed .....no issue during boost
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UPDATE ..the surging I was feeling was in the tune ...I took John from Z1 for a ride and was able to show him what I was feeling while he had it connected to the laptop and he adjusted the fuel to eliminate it
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