What are the faults of unstable idle speed of pickup truck?

About the landlord's concern about "what are the faults of unstable idle speed of pickup trucks?" The following is my personal opinion:

Faults of unstable idle speed of pickup truck include: excessive carbon deposition in throttle and air inlet, leakage of air intake system and various valves, fuel injector fault, fuel pressure fault, blockage of three-way purification catalyst, etc. Pickup truck generally refers to pickup truck, which is a light truck. There is a container without a roof behind the cab, and the side plate of the container is connected with the cab as a whole. Pickup truck models include: Yellow Sea N3, Terralord, Jiangling Tiger, Futian Tudor, SAIC Datong T60, Isuzu D-MAX, Jianghuai Shuailing t8, Great Wall Feng Jun 5, etc. Take the 202 1 2.0T Feng Jun 5 diesel engine with two-wheel drive and Chaohui Big Double Row Guoliu as an example, its maximum power is 102kw, and its maximum torque is 325nm, which is matched with a 6-speed manual gearbox. 202 1 2.0T Feng Jun 5 diesel two-wheel drive super-affordable large-scale double-row national ⅵ body type is 4-door 5-seat pickup truck with length, width and height of 5395mm, 1800mm and 1740mm respectively, with a wheelbase of 3350 mm ..