Why would my car start and then die?
One of the most common reasons for a car dying immediately after starting is when the fuel injection system is damaged, the internal combustion process will not run its course. The air and fuel mix or ratio need to be in a specific proportion for the engine to start.
What does a fuel filter do?
A fuel filter acts as a permeable barrier that cleans the fuel of impurities, sediment, contaminants, and rust before they have a chance to get inside the fuel injection system and ultimately inside the engine of your vehicle. The fuel filter can be a cartridge with filtering material composed of paper inside.
What would cause a truck not to fire?
A bad Crankshaft Position sensor is a common cause of no starts. The signal from this sensor goes to the PCM or ignition module that switches the ignition coil(s) on and off. In ignition systems with a single coil and distributor, a bad coil or a cracked distributor cap or rotor can prevent the spark plugs from firing.
What are symptoms of a bad fuel filter?
There are a few signs of a clogged fuel filter, here are few of the most common. Having difficulty starting the vehicle, vehicle not starting at all, frequent engine stalling, and erratic engine performance are all signs that your fuel filter is dirty. Thankfully for you they are easily replaced and not very costly.
Can a bad fuel pump start a GM Spider?
If you need to test the ‘spider’ equipped GM pickups or SUVs, the following tutorial will help: Troubleshooting The Fuel Pump (GM 4.3L, 5.0L, 5.7L). A bad fuel pump will make your 4.3L, 5.0L, or 5.7L throttle body fuel injected pickup or SUV crank but not start. Here are some more specific symptoms:
How to test the fuel pump on GM TBI fuel systems?
One method involves removing the fuel filter and using an adapter, that has a Schrader valve on it, in its place. You then connect your fuel pressure test gauge to this adapter. The other method is to use an adapter between the throttle body assembly and the pressure line.
Where is the throttle body fuel pump located?
As you’re already aware, the throttle body fuel injection system on your 1987 to 1995 4.3L, 5.0L, or 5.7L pickup (or SUV) uses a low pressure (12 PSI) electric fuel pump located in the gas tank.
What happens if you have a bad fuel pump?
A bad fuel pump will make your 4.3L, 5.0L, or 5.7L throttle body fuel injected pickup or SUV crank but not start. Here are some more specific symptoms: The ignition system is creating and delivering spark to the spark plugs.