Replaced engine in bobcat. It a diesel, and I know nothing about Diesel engines. There is only two wires coming from the injector pump. That's it. I bleed all the air out of the lines and it still won't...
Not sure about that particular engine - but one of the thing that needs to work, assuming the timing and compression etc are good, on a diesel engine in order for it to work is the fuel solenoid. It has to have 12v of power to it in order to let fuel pass to the engine. When power is turned off the valve shuts and stops all fuel. It is located on the injector pump and will have one hot wire when the ignition is on. You can hear and feel it click open with the ignition turned on/off.
You also need power going to you glow plugs prior to turning it over - check you are getting power to the plugs with the ignition on(power should come one for 5-15 seconds or so and then turn off), a simple test light works to test power - I have also installed an engine that had all four glow plugs that were bad, if it is a used engine I would just change these so you know. You may have power to the glow plugs, but that doesn't mean the plugs themselves are good.
If you have this working properly try using a low volume inline fuel pump before the injector pump just to get it primed and running.
Sep 20, 2013 |
Isuzu Cars & Trucks