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Old 03-14-2018, 03:19 PM   #3 (permalink)
Master EcoModder
Join Date: Jun 2016
Location: WV
Posts: 1,264

IGL - '04 Saturn Ion
Team Saturn
90 day: 56.19 mpg (US)

grayOS (personal use) - '19 Mitsubishi Outlander Sport ES
90 day: 30.71 mpg (US)
Thanks: 58
Thanked 305 Times in 236 Posts
I hadn’t thought to just unplug an injector, great tip!

I had sprayed a cleaner around the intake gasket near cyl 4 with no change in idle, so I doubt a vacuum leak exists... the car also runs speed density fuel injection so no MAF sensor to keep clean... sadly I can’t just swap coils around, as they are part of a big “cassette” that sits over my spark plug wells...
My current Ecotec project...

My last Ecotec project...
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