What If The Engine Hesitates During Acceleration?

Hi folks, I'm Mike, a truck driver with years of experience under my belt. Recently, I've noticed that my truck's engine hesitates during acceleration. It's not a constant issue but happens often enough to be a concern. It feels like the truck is struggling to pick up speed and it's affecting my driving, especially on highways. I've been trying to figure out what might be causing this. Could anyone with knowledge about trucks help me understand why this might be happening? Thanks in advance for your insights!
Solved By Zoe Cheng

Solved By Zoe Cheng

Zoe Cheng is an expert in the diesel engine and parts. The company Sennoparts is officially authorized by DEUTZ and VOLVO to sell and service original diesel and machinery parts. We also sell high quality replacement parts and offer remote repair assistance service. Our company exports to over 30 countries worldwide and we have partners in Kenya, Philippines and Uganda among others.

Hi Mike,

Engine hesitation during acceleration can be a result of several factors. One of the most common causes is a dirty or faulty mass airflow sensor, which measures the amount of air entering the engine to determine how much fuel is needed for optimal performance.

Another possible cause is a problem with the fuel system. If your fuel pump is not delivering the correct amount of fuel or if your fuel injectors are clogged, this could lead to hesitation during acceleration.

Lastly, it could be due to issues with your spark plugs or ignition coils. If these parts are worn out or damaged, they can’t ignite the fuel in the cylinders properly, resulting in hesitation.

Given the complexities involved, I’d recommend getting your truck checked by a professional mechanic. They can diagnose and fix the problem accurately.

Stay safe on the roads, Mike!

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