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Cub cadet UTV with Perkins 403c diesel running rough

Gossett695

Member
Joined
Jun 18, 2026
Messages
5
Location
Kentucky
I have a UTV with caterpillar/ Perkins 403c diesel engine loses power while driving and smokes, exhaust also has a hissing sound. Was wondering if it’s injectors or a more serious problem IMG_0253.jpegIMG_0252.jpegIMG_0251.jpeg
 

Tyler d4c

Senior Member
Joined
Mar 2, 2016
Messages
2,658
Location
Salix Pa
From a glance those look ok with out a test. Dont smash the tips wheres the hossing sound coming from a plugged up spark arrestor perhaps
 

CM1995

Administrator
Joined
Jan 21, 2007
Messages
16,036
Location
Alabama
Occupation
Running what I brung and taking what I win
Welcome to the Forums! Glad to have you.

How do you like the diesel powered UTV?

As soon as the right project comes along that I can "cough-cough" justify a UTV I want to buy one. Hard to justify one for a 1-2 acre site. :D
 

Gossett695

Member
Joined
Jun 18, 2026
Messages
5
Location
Kentucky
Thanks. I absolutely love it we got it new in 2006 it’s not built for speed like some of the newer UTV but is a workhorse i use it everyday on the farm . I sure do miss it since it’s been down
 
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