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...
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My current Ecotec project...
My last Ecotec project...
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