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Which is the economy mode, E or P for trucks?

5 Answers
Pires
07/29/25 7:48am

E stands for Economy mode, while P mode represents Power mode or Heavy-duty operation mode. P mode is primarily designed for high workload operations, whereas E mode balances both workload and fuel consumption. In P mode, both engine speed and pump flow rate are significantly higher, resulting in relatively greater fuel consumption. E mode reduces the main pump flow rate to some extent, aiming for lower fuel consumption, and is generally the preferred mode for routine operations. Additional Information: 1. P mode refers to Power mode or Heavy-duty operation mode, where both engine speed and pump flow rate are set high to prioritize heavy workloads, consequently leading to relatively higher fuel consumption. 2. E mode denotes Economy mode, which balances workload and fuel consumption, typically operating at 80%-90% power capacity. The main pump flow rate is partially reduced in this mode to achieve lower fuel consumption, making it the standard choice for general operations.

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DelBraxton
08/13/25 2:31am

I've been driving trucks for long-distance hauls for over a decade, so I'm very familiar with the mode settings on the transmission. The 'e' stands for economy mode. After starting the engine and switching to 'e', the truck runs more smoothly and fuel-efficiently because the engine maintains lower RPMs, resulting in noticeably reduced fuel consumption. 'P' is the parking mode, used only when coming to a complete stop to lock the wheels and prevent rolling. On highways or in congested city traffic, I always use 'e' mode, especially when the truck is empty—it works even better then. Once, I forgot to switch to 'e' and ended up burning significantly more fuel over a 200-kilometer trip, which I deeply regretted. Economy mode also reduces engine wear and extends its lifespan. I recommend making it a habit to shift the lever to 'e' right after starting the engine. Don’t underestimate this choice—it can save you a lot of money over time. Regularly checking the transmission fluid to ensure smooth mode switching is also essential. Overall, 'e' is a great fuel-saving assistant, while 'p' is purely for parking.

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StAubrey
10/05/25 2:34am

From a transmission design perspective, the 'e' mode is undoubtedly the economy mode, specifically optimized for fuel efficiency. When you engage the e-gear, the vehicle control system automatically delays upshifting to keep the engine operating within its most efficient range, thereby reducing fuel consumption per kilometer. The 'p' stands for parking mode, used after coming to a complete stop to prevent unintended movement. When I drive delivery trucks for urban distribution, I always use e-mode, which reduces fuel consumption by about 10% compared to normal mode and provides smoother acceleration. Economy mode is suitable for cruising on flat roads but not recommended for steep slopes or heavy uphill loads as it may lack sufficient torque. Another advantage is that e-mode reduces noise and vibration, making long-distance driving less fatiguing. It's advisable to switch flexibly based on speed and road conditions rather than relying solely on one mode. Regular maintenance and computer diagnostics of the transmission can prevent operational issues. Safety first - remember that p-mode should only be used when the vehicle is at a complete stop.

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StCora
11/18/25 4:06am

When driving a truck, the 'e' stands for Economy Mode, which is simple to operate: just push the lever to the 'e' position after starting the engine. It saves fuel by reducing engine speed, making the ride quieter and more effortless. 'P' is the Parking Mode, which locks the vehicle only when it comes to a complete stop. I find Economy Mode very practical for daily city driving, especially in areas with frequent red lights, as it significantly reduces fuel consumption. In terms of safety, misuse of the 'P' mode may cause the vehicle to roll or slip, so I always make sure to engage 'P' when parking. Economy Mode doesn't add any cost but saves fuel and is environmentally friendly, making it highly recommended. Try the 'e' mode on long trips to experience smooth acceleration.

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RiverMarie
01/08/26 5:44am

As an environmental advocate, I insist on using the E mode (Economy mode) when driving my truck. This mode optimizes fuel consumption and reduces engine emissions, saving approximately 15% more fuel compared to normal mode. The P mode (Parking mode) is used to prevent vehicle movement when parked and is not involved in the driving process. In the transportation industry, frequent use of economy mode helps reduce carbon footprints and plays a positive role in improving air quality in small cities. Personally, I prefer switching to E mode on highways to enjoy smoother acceleration. Economy mode works best during light loads or cruising, while normal gear can be temporarily used for heavy loads or uphill driving. Promoting E mode is crucial for sustainable development, and I encourage all drivers to develop this habit. Also, remember that P mode is only for parking—don’t confuse it to avoid safety risks.

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