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Household
891 fixes
Why is a warehouse's lighting bill higher than expected?
Your lighting bill is likely higher because you're using outdated fluorescent or incandescent fixtures, lights are left on when the warehouse is…
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Why is ice building up on my outdoor AC unit in summer?
Ice on your outdoor AC unit in summer usually means airflow is blocked or refrigerant is low. Check the air filter first…
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Why is ice building up on my outdoor AC unit?
Ice on your outdoor AC unit usually means the airflow inside is blocked or the system is low on refrigerant. Check and…
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Why is my 150kW DC fast charger only delivering 30kW when a single vehicle is plugged in?
Your 150kW DC fast charger is likely limited by the vehicle's maximum acceptance rate, a shared power cabinet, or a thermal throttle…
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Why is my 150kW DC fast charger only delivering 50kW?
Your 150kW DC fast charger may only deliver 50kW because the vehicle's battery management system limits charge rate based on temperature, state…
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Why is my 2018 Freightliner Cascadia getting 2 mpg worse than last month
A sudden 2 mpg drop in a 2018 Freightliner Cascadia usually means a clogged air filter, leaking boost tubes, failing injectors, or…
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Why is my 2020 Freightliner Cascadia getting 1 mpg worse than last month?
A sudden 1 mpg drop in a 2020 Freightliner Cascadia usually means a clogged DPF filter, leaking fuel injectors, low tire pressure,…
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Why is my 2020 Kenworth T680 burning 15% more fuel than spec
A 2020 Kenworth T680 burning 15% over spec usually points to a clogged DPF, faulty injector, low tire pressure, or excessive idling…
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Why is my 2020 Peterbilt 579 suddenly using 15% more diesel fuel?
A sudden 15% fuel economy drop in a 2020 Peterbilt 579 usually stems from a clogged air filter, faulty fuel injectors, low…
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Why is my 2021 Freightliner Cascadia suddenly getting 4.5 mpg instead of 6.5 mpg
A sudden drop from 6.5 to 4.5 mpg usually means a clogged DPF forcing frequent regens, a leaking charge-air cooler hose, bad…
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Why is my 2021 Kenworth T680 suddenly getting 6 mpg instead of 7.5 mpg?
A sudden drop from 7.5 to 6 mpg on a 2021 Kenworth T680 usually means a clogged air filter, low tire pressure,…
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Why is my 2022 Freightliner Cascadia getting 1.5 mpg worse than last month?
A sudden 1.5 mpg drop in a 2022 Freightliner Cascadia usually means a clogged diesel particulate filter, failing fuel injectors, low tire…
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