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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.Correct, problem was not a symptom of any change. All has been there for some time driving off and on, not my daily, waiting for time to... -
@rdezs He said the problem started before he replaced the injectors and that didn't fix it
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.Noid light on injector 5 was flashing at steady pace without problem and when plugged back in the miss decreased again by half of what...
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It's not unusual to find it at that mileage to still see the original hone marks in the cylinders. I wouldn't worry about the bottom...
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.Thanks for breaking down your testing methods and recommendations as well as why compression test may give false hope. I feel it’s...
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.All new plugs were installed and gap checked as stated in initial post
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.I was able to find the crankcase relearn in the innova 5610 today completed and drive 20 minutes no change. Also, valves would open and...
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.Could it be not enough intake valve opening due to cam lobe and pulling fuel? We may find out. I am waiting on a noid light and may be...
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that's removing a lot of fuel from bank one. you like the total to be around 5% long term + short term. you're at almost 20%. now...
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.All the injectors, plugs, and wires were replaced, gave a rundown of all the usual suspects have been swapped then replaced and am down...
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.After drive here we’re the fuel trims
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Keiterburb replied to the thread 2012 Suburban Misfire #5 drama.I was able to figure out how to graph some data. Here’s is the O2 difference after 20 minutes on road and parked at idle.
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well #5 did have carbon on the plug and running rich. but if you could graph o2 voltage to confirm. that would be handy. here's what a...
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Try a crank position sensor relearn , That usually takes care of a phantom cylinder miss
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