How do you test the vacuum pump on a 1997 7.3 diesel?
easiest way to test vacuum pump is ,
with engine off, pump brake pedal until pedal goes hard
keep pressure on brake pedal and start engine
if vacuum pump is good, you will feel the brake pedal go softer so you don't have to use as much effort for pedal to be depressed
84 Mercedes 300D turbo diesel problems with engine it's running after ignition switch is turned off?
Technically, a diesel engine does not need any outside electrical source to keep it running. Injectors are mechanical and keep running until they are forced off, usually by a solenoid. Check the shutoff mechanism to make sure it isn't sticking. This diesel shuts off using vacuum. If your vacuum is low or leaking, the vehicle will not shut off using the key. You have to open the hood and push the SHUT OFF plate near…
Peugeot 405 diesel failed the mot test because the brake pedal was solid you have changed the servo and the vacuum pump but it is still the same any help please?
Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it. Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it.