1G idle issues

StanleyDSM · Mar 22, 2016

so i finally got my talon tsi put together today, i turned it on and it started first crank. but its ideling funky. its just goes up and down. im wondering if any one here could help me out here. i also attached a log for you all to look at. its got stock injectors the 450cc, with speed density.

tmoney20g · Mar 22, 2016

if they're stock injectors, dead time should be zero but you have it at 555, so that's adding a lot of fuel, probably why o2 isn't cycling and you're not in closed loop.

kodylk08 · Mar 22, 2016

tmoney20g said:
if they're stock injectors, dead time should be zero but you have it at 555, so that's adding a lot of fuel, probably why o2 isn't cycling and you're not in closed loop.

+1
I can't see the log because I am at work, but tmoney is right. Dead time can greatly change idle.
http://www.ecmtuning.com/wiki/ecmlink101initialchecks Start here if you haven't already.

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1G idle issues

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