Hi, thanks for writing in. An Isuzu NPR should have one ECM (engine control module), which is the computer. This is the brain of your vehicle. It is what regulates your fuel to air ratio as well as all electrical....
It is possible that the idle may need to be readjusted so your car will run correctly. I would have one of the mechanics at YourMechanic inspect your vehicle's idle to see if there is anything that needs to be...
A dirty throttle body can cause your accelerator to stick. If enough dirt builds up the throttle blade inside can bind up on the dirt. I would ask for help from a mechanic to clean your throttle body and check...
