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What is the reason for the occasional unresponsiveness when accelerating in the 2014 Buick Excelle?

2 Answers
BeckettDella
07/25/25 8:34am
Unresponsiveness when accelerating indicates an abnormality in the vehicle's power system. The engine's power is generated through the coordinated operation of the intake system, ignition system, and fuel system. If any of these components malfunctions, it can lead to a decrease in engine power, resulting in symptoms such as unresponsiveness when pressing the accelerator, body shaking, or smoke from the exhaust. Below are the relevant details: 1. Exterior: The 2014 Buick Excelle features subtle exterior adjustments, including a new lower air intake design, the relocation of turn signals from the side mirrors back to the fenders, and changes to the side mirror design. 2. Engine: According to the Ministry of Industry and Information Technology (MIIT) catalog, the updated Excelle will replace the current 1.6L engine with a 1.5L engine codenamed C15VVT. The power output of this 1.5L engine is comparable to the current 1.6L model, with a maximum power of 83kW (113PS), slightly higher by 2kW (3PS) than the current model. Additionally, the current 4-speed automatic transmission will be upgraded to a 6-speed automatic. 3. Fuel Consumption: The MIIT has also released fuel consumption data for the new Excelle. The manual transmission model has a combined fuel consumption of 6.6L/100km, while the automatic transmission model consumes 7.6L/100km.
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BriellaFitz
08/10/25 6:59pm
My 2014 Excelle occasionally has no response when accelerating, which is really frustrating! It might be due to a weak fuel pump or a clogged fuel filter, causing insufficient fuel pressure and making the engine struggle to accelerate. Worn-out spark plugs failing to ignite properly can also cause this, making the car gasp for breath. Additionally, a dirty throttle body or a faulty position sensor can lead to unresponsive signals and sluggish performance. It's recommended to check the trouble codes immediately, clean the fuel system, and replace the filter. Don't wait until it breaks down on the road or causes an accident, as repair costs could be several times higher than fixing a minor issue. Regular maintenance can prevent this problem.
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