The intake manifold pressure and throttle opening of Yuchai gas vehicle are unreasonable.

Excuse me, what is the unreasonable intake manifold pressure and throttle opening of Yuchai gas vehicle?

1. Check the intake manifold for air leakage and repair it in time if necessary.

2. Check whether the throttle valve is normal, and replace it in time if there is any problem.

3. Check whether the gas system is faulty and repair it in time if necessary.

4. Check whether the air filter is blocked, and clean or replace it in time if necessary.