Engine turns over but won't start

Hi jhawk7783, Welcome to 2carpros and TY for the doantion

You are losing fuel pressure -check the injectors and fuel pressure regulator if its leaking

The fuel pressure should be key on engine off 30-65 psi

Its not the same thing

The fuel rail pulse damper located on the fuel rail reduces fuel system noise caused by the pulsing of the fuel injectors. The vacuum port located on the damper is connected to manifold vacuum to avoid fuel spillage in the event the pulse damper diaphragm were to rupture. (The pulse damper should not be confused with a fuel pressure regulator, it does not regulate fuel rail pressure.)

The fuel pressure regulator is attached to the fuel rail downstream of the fuel injectors. It regulates fuel pressure supplied to the fuel injectors. The regulator is a diaphragm-operated relief valve. One side of the diaphragm senses fuel pressure and the other side is connected to the intake manifold vacuum. Fuel pressure is established by a spring preload applied to the diaphragm. Balancing one side of the diaphragm with manifold vacuum maintains a constant fuel pressure drop across the fuel injectors. Fuel pressure is high when engine vacuum is low. Excess fuel is bypassed through the fuel pressure regulator and returned through the fuel return line to the fuel tank.

It will look like this on the fuel rail

Based on how long you ran the engine without oil is going to determine how much damage was done. If the starter is able to turn the engine over, that is actually a good sign. However, if it won't start, you need to check the basics. First, you need to check if the engine is getting spark and fuel. If you go to our home page under the DIY section, look up both how to check fuel pressure and how to check ignition for spark. Follow the video and directions and check to see if your vehicle is producing both fuel pressure and spark. If you have both, see if the vehicle will start with starting fluid. If it starts and runs for a few seconds, then you're not actually getting fuel to the engine (even though you have fuel pressure to the fuel rail).

Once you determine which is missing, you will need to focus on that system. After you get it to run, you will know how much damage was done to the engine. Pay attention to ticking or knocking sounds in the engine. If they are present, there is internal bearing damage.

Let me know if you have other questions.

Good afternoon,

The ECM has to be flashed or programmed to your vehicles VIN number by a shop that has the scan tool for performing this procedure.

Then the key has to be programmed as well.

The cost at a shop is from $195.00 to $230.00.

Roy

If you have good spark, proper fuel pressure, the injectors are working, then it has to run unless it has low compression

Yes

Good evening,

I would start by checking the fuel pressure. when you run out of fuel, it damages the fuel pump as the fuel is not only a coolant for the pump but a lubricant as well.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/car-cranks-but-wont-start

Check for spark as well. See if the RPM moves up while cranking to see if the crank sensor is sending a signal.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Replace the battery.

https://www.2carpros.com/articles/how-to-replace-a-car-battery

Roy