What kind of engine cranks but wont s?

I have a 2003 mack with ami 370 that cranks but wont s, can anyone helptart unless u spray either to it ,runs only with either change out ecu fuel pump fuel line fuel filters and now I am just stuck ,have bno smoke coming out the stacks but when crack injector fuel lines fuel does come out of them

What to do if your truck won’t click and crank?

I bought a new starter, put it on, then hunted wires for 2 days before realizing that fuse was blown. So if your truck won’t click and crank, don’t forget about that little 30 amp fuse when you start your problem hunt. Thanks for helping me out, guys!

What kind of fuel shut off does it have?

BMT Certified Know-It-All! Just a thought, what kind of fuel shut off does it have electric or cable, make sure it’s opening all the way.I have a 90 mack that had an electric air shut off on the pump,I had to take it off and hook up a cable shut off because sometimes it wouldent shut the fuel off and sometimes it wouldent turn it on.

Why does my diesel truck not start up?

Read on another thread where the truck would not start,turned out to be cps,dealer said a couple bolts backed out and fell into the pan. First- these trucks do not have a fuel pump- the CP3 pulls fuel from the tank and then pressurized by the CP3 pump to the injectors.

Why does my Ford Ranger crank no start?

In this video we cover some basics on finding the cause for a crank no start on a Ford Ranger. Many Ford vehicles have the same ignition and fuel design. I eventually trace the issue to a defective inertia switch, causing an electrical issue not allowing the fuel pump to run. Thanks for watching!

Why does my car engine not want to start?

If the engine still doesn’t seem like it wants to start, probably fuel is getting into the cylinders and your problems lies somewhere else. However, if the engine runs momentarily and dies, then the problem is that fuel is not getting to the cylinders. Check for a clogged fuel filter, or a bad fuel pressure regulator.

What to do if your fuel filter is clogged?

the fuel filter is not clogged (consult your car owner’s manual or repair manual for the service schedule), the fuel injectors are not clogged. First make sure the fuel pump is working. Momentarily remove the fuel filler cap. Ask an assistant to turn the ignition key to the On position, but don’t start the engine.

How to diagnose a crank no start condition?

Here is a step by step procedure on how you can Diagnose a Crank no start condition. In order for an engine to run, you need a Spark, Fuel, Compression and the ability for the engine to take in Air and push out Combustion Exhaust.

What to look for when your engine won’t start?

Check for a blown fuse that may be preventing a circuit from working properly, like the fuel injection or computer system. To operate efficiently, an internal combustion gasoline engine needs a good spark, the right amount of fuel, and good compression (a healthy mechanical condition).

What kind of engine cranks but wont s?