I recently ran across a CAT forklift with a 4G64 Mitsubishi engine that would crank, but would not start. I started with the basic diagnostics. Tested for spark and it had a good spark, so I...

A sign of the free lift cylinder bypassing is when lifting, the free lift cylinder raises part of the way and the secondary cylinders start to raise too early. There is hydraulic oil getting on top...

Circuit Description There are 2 throttle position sensors located within the throttle which use variable resistors to determine signal voltage based on throttle plate position. TPS1 will read low...

There are basic steps to diagnosing a no start condition, it is recommended to follow those steps before proceeding with this procedure. Only after you have determined the ignition coil is good...

Experience with these injectors In cold temperatures (40F & Below) they intend to stick closed and the truck will not start. The primary cause is tar buildup on the injector nozzle. Sometime...

I ran across this error code on a Hyster with a GM V6 4.3L and the unit would run good for a few minutes, start to stumble and then stall. When restarted, it would smell like sulfur and it would...