X15 2450 low power high fuel consumption |
12-03-2023, (Subject: X15 2450 low power high fuel consumption ) Post: #12 | |||
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RE: X15 2450 low power high fuel consumption Well I did managed to get the original program back in to the ecm. I ran it a week and I think the response is back also nothing weird ( runs smooth no intermittent miss). However, I am still down on mpg, seems excessive. From what I'm seeing when running on the flat is egr opening to 80percent. Once it hits that the throttle valve starts closing to say 50 percent. If I hit a hill egr will start closing to say 30 percent. So, could it be trying to reduce nox? If so what causes high nox in the first place? Could it be worn injectors cause this? I'm probably over thinking this, but that's why I'm here. | |||
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