greiswig's latest activity
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greiswig replied to the thread Persistent misfire under load only.My instincts seem to have been right that it wasn’t coincidence this happened after replacing the spark plugs. I sapped coils between... -
Is the V8 cylinder numbering odd/even by bank? So driver side bank would be 2,4,6,8 and passenger side would be 1,3,5,7?
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greiswig replied to the thread Persistent misfire under load only.Yup…that would explain it. Looks like this post from 2020 Thread 'FYI: SCV6 cylinder numbering'...
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greiswig replied to the thread Persistent misfire under load only.OK, I’m home and starting to delve into this a bit more. To try to demystify the results I’m getting from the GAP tool, I decided to...
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Combined short and long term fuel trim looks consistently positive at all RPMs tested, so it's running somewhat lean. Both banks are...
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greiswig replied to the thread Persistent misfire under load only.OK, here is the test, run with no load on the engine. You can see I futzed around trying to get it closer to 1500RPM before just leaving...
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I just do my best to hold the accelerator steady for long enough to see the fuel trims get steady then keep it there for maybe 4-5...
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greiswig replied to the thread Persistent misfire under load only.@jlglr4 are there any recommendations for how many seconds at each step (idle, 1500, 3000) to maintain for this test?
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greiswig replied to the thread Persistent misfire under load only.Thank you, @Rover Range for explaining that part. I assume, then, that the computer doesn’t care what is causing the misfire? @jlglr4...
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Are you still getting misfire code/live data only in one cylinder? I was thinking the misfire was causing the fuel trim code, but...
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When you have a misfire, the PCM cuts off the injector to that cylinder. So no raw fuel is going into the cat convertor. When you...
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greiswig replied to the thread Persistent misfire under load only.One more piece of data from this, which I hope might point someone to what might be at the heart of this: this morning, when I was able...
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greiswig replied to the thread Where is this supposed to be bolted? (Part #EH22-13N850-FC).I always appreciate your detailed insights, @Rover Range.
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greiswig reacted to Rover Range's post in the thread Where is this supposed to be bolted? (Part #EH22-13N850-FC) with
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There's a plastic wiring tray that runs across the bottom of the windshield cowl. The eyelet end attaches to a stud on the left side of... -
Could be a faulty injector.
