TB 45 surging

[maxde]

Hi , my GU TB45 patrol is surging badly when trying to travel up steep hills ,but if i turn around and reverse up it does it with ease and heeps of power to spare, so i replaced the fuel filter inspected inside the fuel tank and replaced the complete fuel pump with a genuine one ,tried it again still just surges and wont climb ,has anybody had this problem or can help thanks

[ashleydo]

Hello, Insufficient or restricted airflow to the engine can affect its performance, especially when under load. I think you should check the air filter for clogs or debris and ensure the intake system is clean and free from any obstructions.

rainbow friends (https://rainbow-friends.io)

[mudnut]

Have a look for air intake leaks too.

[D3V1L]

Did you find a solution to this?
turns out my latest project suffers from the same symptoms