155d slow throttle response

[chevy791979]

New member here. Just got a sweet deal on a 155d with 280 hours on it and was a 1 owner. Runs good but the throttle response is slow. Any thoughts?

 

[winston1]

More information, slow with load, slow no load? All linkage free?

 

[chevy791979]

Slow no load. All linkage is free. Smokes like to beat the band. Lol. It's not the air filter. This tractor only has 280 hrs on it original. Sweet looking tractor. Almost too nice lol. Just hasn't been used much

 

[clemsonfor]

Is that a 3 digit hour meter?? Could be 2280 hours if so or anything like that...3280?

Possibly clogged fuel filter? Injectors?

 

[HoyeTractor]

What about the fuel? If it has been sitting a long time it might have contaminated fuel. Or, if it is like around here, it might have a whole community of mud daubers living in the muffler.

 

[clemsonfor]

Aaron is onto something maybe?

Pull that muffler and manifold off the head and run it and see if there is a difference

 

[normde2001]

How do you know the throttle response is slow? Compared to what? You start at full throttle and can easily back throttle off to idle before it gets anywhere near full RPM.

 

[winston1]

Has anyone had the injection pump off?

 

[deepNdirt]

When cold how does it start up? Quickly? Having to turn over for more than 20 sec.?
Does the engines rpm fluctuate?
Does it have fresh fuel?

 

[chevy791979]

Has anyone had the injection pump off?

No. Not that I know of.